There is no perfect opening line for a hard conversation with a teenager. There is only a calm moment, a real question, and the discipline to stay steady while they answer. Here is a way in that respects both of you.
Start with your why
Before you say anything, get honest with yourself about what you want from the conversation. To understand? To warn? To reconnect? Teens can smell an agenda. A conversation that starts from, I miss knowing how you are doing, goes somewhere a lecture never will.
Pick the sideways moment
Face-to-face across a table can feel like an interview. In the car, on a walk, while cooking, shoulder to shoulder is easier. Low eye contact lowers the stakes.
Hold space, then hold steady
When they finally say the real thing, your first response decides whether there is a second conversation. Breathe. Thank them for telling you. Ask one more question before you offer one piece of advice. You can set limits later, in this moment your job is to stay someone worth telling things to.
If it stalls
Do not chase it. Say the door is open, mean it, and try again in a few days. Consistency reads as safety. One awkward attempt is not failure, it is a rep.
And if what your teen shares worries you, talk of self-harm, of hopelessness, of not wanting to be here, do not carry it alone. Call or text 988, loop in the school counselor, or reach out to us. Getting help early is an act of love, not an alarm.