How much does it take to get it ?

I am pregnant with my 3rd pregnancy. The person i was with for 3 plus years and i had a conceived a child relatively at the beginning of seeing one another. it was agreed after talk about certain lifestyles and the changes that would be needed to stay together to bring up the family i had thought we wanted. No drugs, cooperation no substance abuse period. trust and whatever the hell else was to make the most of a relatively functional family. Things never really went that way i became sick with depression in my pregnancy and it became worse the longer it went untreated my child was just over a year b4 my doc finally diagnosed me and treated me. and that was also after an abortion due to cirstance with the person i was with and then closely after found was having an inappropriate relationship via text and email and whatever computer correspondance. I crashed so hard. The stress from being pregnant and thrown into a life i wasn't quite ready for but was trying to transition as best as i could with the fact that the other suppose to be at my side was to selfish in there own ways to work and be along with me like promised. I felt betrayed for so long tried counseling individually and together till we were told that together due to the lack of effort on ones particular behalf not to come back. we struggled and fought and it seemed as if i tried hard to keep things together as they tried so easily to stir the **** per say. And succeeded. Left alone many a time to deal with things. Then as i went back to work and worked extremely long hours things got worse because they had a feast or famine job, here was a lot of time i was left to take o/t to keep things going. however we ended up meeting my family over seas my distant family and the trip seemed well. after a bumpy begining. we got home and **** hit the fan again we were over as of christmas afternoon, as they walked out the door. 10 mons later after fighting and emotions fly they finally started settling for me after a mini break down. off work and the returned feeling relatively better. they had bought themselves a house after 8 mons or so, and took a job some mons b4 out of town. Camp work where they see there child less than a week a month. and because i allowed myself to be intimate with him i am now 2 mons pregnant and a vd. And possibly twins. Found out he was sleeping with others. No i have not slept with any one but him. drunk unprotected now i suffer because there is no thought process in the male genitalia. I am messed and at first thought i could handle another baby. and at least i only have one a hole to deal with rather than 2...... haha. Well this is the main prob i have just been notified that my once secure is no longer secure they r closing the company. I hae no problem re educating myself but i am not sure with 2 kids by myself with absolutely no support. I don't know wwhat the hell to do i never wanted ever to be faced with another possible termination it absolutely destroyed me and the person that i was with just wants to be good fing friends. no one will tell me what i should do i appreciate it but seriously i have no flippin idea what to do and afraid to make the wrong decision. help.