You don't do it for you. You do it so they're not let down.
Your engine is the people. You finish the thing because someone's counting on you, you show up because letting them down feels worse than any tiredness. It makes you the one everyone trusts — the glue. But the Eye sees the cost: you keep saying yes until your own list never gets touched, and you mistake being needed for being known. Belonging is a beautiful reason to move. Just make sure one of the people you don't let down is you.
Get your read — free on iPhoneyou've pushed through something you were done with, purely because backing out would've let someone down. your 'no' has a quota you never reach.