I dont know what is going on with us, what shall i do?

hmmm where to start... i guess that my first instinct would be to ask you if he has always acted this way? or is it just recently? maybe he doesnt find women attractive when pregnant?! i dont know but i would suggest you sit him down and tell him how you feel and that you wouldnt want to make him feel trapped if he wanted to leave.... i was married for 6 years with two boys and i we also parted ways in the bed and life... so we sat down and talked about it that we were both not happy... we have been seperated for nearly two years now and i am happier than i have ever been and so is he.... i think you need to put your feelings first ... dont just settle for him 'looking after you' you need love and pion and to feel it on a daily basis! not like someone he just takes care of good luck x