The voice in your teen's head over the long run is shaped by what they hear repeatedly from the people closest to them. That sounds abstract, but it is one of the most well-supported findings in adolescent psychology. The phrases parents repeat become the lens through which teens evaluate themselves, especially during stretches of self-doubt, social pressure, and identity formation. None of this happens in a single conversation. It happens in hundreds of small, low-stakes moments stacked over years.

Two principles run through everything in this article. First, specificity is what makes positive words land. "Good job" is a starter; "good job sticking with that essay even when you wanted to quit at 11pm" is what your teen will actually remember. Second, the value of these phrases doesn't depend on your teen's response. Most teens will not visibly react. Most teens will, over time, carry the inputs anyway.

The Ten Phrases

"Good job." The simplest of the ten, and the one most often delivered as background noise. Use it when something specific deserves it, and pair it with what you actually noticed. The contrast between hollow praise and noticed praise is what your teen registers.

"Could I get your advice?" Few sentences shift the dynamic of a parent-teen conversation faster. It signals you see your teen as someone capable of useful judgment, not just someone receiving instruction. Ask about something where their input would actually be helpful. Don't fake it.

"It's okay not to be okay." Permission to feel hard things without performing being fine. Useful before a hard day at school, after a rough conversation with a friend, or any time a teen seems to be working to mask. Pairs well with no follow-up questions.

"I'm sorry." The single most powerful thing many teens never hear from a parent. Real apologies repair specific damage and model the most important communication skill your teen will carry into adulthood. (See the resource page on how to apologize to your teen for what makes one land.)

"You make me proud." Land it on a specific moment, not on character: "I'm proud of how you handled that conversation with your coach" rather than "I'm so proud of who you are." Generic pride wears out. Specific pride doesn't.

"I like you." Different from "I love you," and arguably more rare. "I love you" can feel obligatory by adolescence; "I like you" is a choice. It tells your teen you would pick them as company even if you weren't related.

"I knew you could do it!" Retrospective belief, said after the fact. Avoid the pre-emptive version ("I know you can do this") when it might feel like pressure. After-the-fact belief is reinforcing; before-the-fact belief can feel like a setup.

"Thank you." Use it for ordinary things, not just exceptional ones. Thanking a teen for emptying the dishwasher signals that you noticed. The noticing matters more than the thanking.

"I appreciate you." Slightly different from "thank you." Use "thank you" for what your teen did; use "I appreciate you" for who your teen is. "I appreciate how patient you've been with your little brother lately."

"I love you." Never wears out, but lands differently when it follows something specific you genuinely noticed. "I love you" by itself is good. "I love how you handled that, I love you" is better.

The Specificity Principle

Idaho Youth Ranch Clinical Supervisor Justin Hacking, a Parent-Child Interaction Therapist, has framed the specificity principle this way: "Being specific with compliments, questions, and commands helps keep things predictable and consistent. It is important to be predictable and consistent when communicating to children; it lessens anxiety and establishes achievable expectations."

Specificity does two things at once. It makes the phrase feel real (because your teen knows you noticed something rather than recycled a generic), and it gives them concrete evidence of competence (because what you noticed is something they did). Generic compliments, repeated often enough, can have the opposite of the intended effect. They become background noise, and teens learn to discount them.

Pairing each of the ten phrases with one specific noticed detail is the single highest-leverage change most parents can make in how they speak to their teen. It costs no more time. It lands far deeper.

The Phrases That Don't Land

Some phrases sound supportive but undermine connection. A few that show up often:

"You're so smart." Counterintuitively, generic praise for intelligence can make teens more afraid of failure rather than less. Research on growth mindset has shown that praising effort, strategy, and persistence does more for resilience than praising fixed traits like intelligence.

"I'm just trying to help." Almost always defensive. The phrase usually shows up after a teen has pushed back on something the parent said, and it has the effect of asking the teen to manage the parent's feelings.

"You'll thank me later." Dismisses the teen's current experience as something they'll grow out of. Even if it turns out to be true, the line teaches teens that their current feelings don't count as data.

"When I was your age." Closes off the conversation rather than opening it. Few teens want to hear how their parents would have handled their situation. They want to be heard about their actual situation.

"Don't be dramatic" or "you're overreacting." Both invalidate the feeling that prompted the moment. Even when the reaction is genuinely outsized, naming it as drama compounds the original difficulty rather than helping the teen calibrate.

When They Roll Their Eyes

Many of these phrases will be met with eye-rolls, shrugs, or no visible reaction at all. That is not a sign the phrase didn't land. Teens often can't acknowledge a positive parental input in the moment, especially if they're inside an identity-formation stretch where any obvious agreement with a parent feels uncool.

What matters is the cumulative effect over months and years. The teen who rolls their eyes at "I'm proud of you" today is also recording the phrase, evaluating it for sincerity, and (over time) building it into the voice in their head. The eye-roll is a surface response. The work is happening underneath. Say it anyway.

Sources: American Academy of Pediatrics and Search Institute — developmental relationships research on parental input as the formative voice; Carol Dweck (Stanford) — growth mindset research.