Every friend group has one. The person everyone calls when it's 11pm and something's falling apart. The one who shows up with the casserole, the ride to the airport, the three-hour phone call talking someone off a ledge. The one nobody worries about, because she seems fine. She's always fine. She's the strong one.
Here's what that role actually costs, and why almost nobody clocks it until they're running on empty: being the strong friend isn't a compliment, it's a job description, and you never applied for it. It got assigned somewhere around the first time you held it together when someone needed you to, and it never got reviewed again.
The bill comes due quietly. You stop mentioning your own hard days because the conversation always finds its way back to theirs. You get good at deflecting the question “how are you?” with a version of fine that closes the topic instead of opening it. Eventually you notice that you can't actually remember the last time someone checked on you first, before you checked on them. Not because your friends don't care. Because you've spent years teaching them, without meaning to, that you don't need it.
That's the real cost. Not burnout, though that comes too. Isolation, dressed up as capability.
The way out isn't to stop caring or stop showing up. It's to stop being the only option. A few honest moves, in order of how hard they are to make:
Say the true thing when someone asks how you are.
Not a dump, just the truth. “Honestly, it's been a rough week” is a full sentence. You don't need to earn the right to say it by having a crisis first.
Let someone else be first.
Next time a friend is spiraling, resist the urge to be the one who fixes it. Ask what they actually need instead of assuming it's you. Sometimes it is. Sometimes it's a professional, or space, or just someone to sit with them, and none of those things require you to carry it alone.
Notice who reciprocates when you're honest, and lean toward them.
Some friendships were built on you being the strong one and will resist you changing the terms. That's information, not a betrayal. Build the ones that can hold both directions.
Being capable of holding people up is not the same as being obligated to do it every time, for everyone, forever, with no one holding you. You get to need things too. That's not weakness breaking through. That's just the rest of you, finally getting some air.