I may come back with more.. but to me, yes. It does play a part.
This is why I think that.. Your previous relationship left you in a place where you were capable of handling an abnormal amount of BS. So you've gotten really good at that. You're BS meter just might be skewed now. You're tolerance is up, maybe higher than it needs to be.
Only you can tell for sure though..
(Had to get it out before I forgot it)