Should I be concerned of her ex still being around?
I wouldn't trust him at all, and after 4 months, unless I had a reason I would trust her as far as she let me. In other words she is still a stranger still proving herself to be honest.
She knows that I give a lot to this relationship then she does but I don't have a problem with it at all.
RED FLAG!! You must need a g/f badly, because its not a good sign when partners don't share the work in a relationship.
I know I didn't give her time to recover off the last relationship but she was fine with it.
RED FLAG! I guess she is just dandy with it as a rebound, its just what she needs, and your doing all the work too!!??
Should I be concerned of her ex still being around?
RED FLAG!!! Dude you have 3 red flags, what do you think?????
Hint, they may still have unfinished business together. A good reason (given the red flags staring at you) to stay alert, and keep your heart in a very safe place. Don't let her use you to make him jealous. EYES WIDE OPEN!!!!!