Again on screen her focal point is Abby we don't see her do anything with Stefan at all. Its all talk and no action where he's concerned. He finds out the kid isn't his big whoop has he even bonded with that kid at all?
Again, she is going after Abby and Stefan. She's said it I don't know how many times. The baby is just ONE of the ways she's going after him. We have seen him falling in love with the idea of becoming a father. He asked Abby if he could feel the baby move and he's been keeping tab on her check-ups. Things a man does when he loves his unborn child. There will be other moves Gabi will make also so wait for it. Stories run over a certain time period. Let her get the psycho b*tch first. Geez.