If a guy who is not your husband have sex with you and you are
willing to have sex with him, he did not bluff you to have sex with
him, did not rape you etc and after that you got pregnant and he
decide to dump you, tell you to go for abortion but don't even want
to pay for your abortion fees,
Is there anything you can do to him?
Can you sue him? If yes, sue him under what charges?
Hmm...did not bluff to have sex and did not rape, let's see...this
guy does not exists right? 
Okie, maybe the guy pressured the girl to have
sex.....considered not bluff and not rape.
Why have sex with this flawed guy in the first place then?
If really did happened, then ask your friends to use motorcycle
helmets to bash him from behind the back of his skull, knocking him
face flat upon the ground, then continue to rain at him
repeatedly with motorcycle helmets at the back of his skull until
he is guaranteed to become blind or retarded even if he
recovers.
Then put a bottle or pail of kerosene beside him while he is
unconscious, pour some over his pants and light it up on fire then
faster run away.
Even if he does get rescued and survived, he is sure to be blind
and/or retarded and/or misses you whenever he go toilet.
He cannot sue you cos he doesn't know what happened to him
anyway, or he's probably retarded by then. 
Are you that guy by any chance? I'm curious. 