no, Because your the boyfriend and he is an ex only.
Kill the ex bf
This question really doesn't make much sense. If a person is an "ex" there should be no feelings about a girl friend he/she has now. You need to let go and meeting some one else.
Usually, this isn't a problem as they may be friends still. If you have any worries you should probably discuss things with your boyfriend.
Youre feeling insecure. Or, maybe you picked up on something still between them. You should probably talk to your boyfriend about your feelings.
Why bother - there are plenty more fish in the sea .
You don't, but if she is then that is her problem. It is your ex-girlfriend, you should have moved on.
I've dreamt that same thing multiple times. It means either he's insecure about the relationship, or in my EX-girlfriend's case, it means that your ex got you pregnant.
No, it is not wise for the new girlfriend and ex wife to be friends and the ex wife should move on. If children are involved then the ex husband and ex wife should be dealing with this.
It could mean your ex is trying for a friendship basis or, he may want to keep tabs on who you are dating (not uncommon.)
Take it one day at a time and move on.
if he talks about her and or doesnt act himself around you
If you are the "Ex-Girlfriend" than you should either, A. Ignore Your Ex-Boyfriend B. Ignore His New Girlfriend C. Try To Be Friends D. Cry Your Eyes Out E. Be A Jerk To Him You should do C.