You'd set yourself on fire to keep others warm.
Your toxic trait is saying yes when you mean no, being fine when you're not, and shapeshifting into whoever the room needs you to be. You're everyone's favorite person because you never cause problems — but that's because you absorb everyone else's. You have approximately zero boundaries and you'll apologize for having feelings. Your "I'm fine" is the biggest lie in your vocabulary and everyone believes it because you're THAT good.
Get your read — free on iPhoneyou don't argue — you just bend until you break and then blame yourself for not being more flexible.