Help?!

I know we all go through things in life. but I'm having it pretty rough. I love my family and I know they love me. but their fake, and extremely negative. obviously I have to distance myself in order to remain happy but its hard. especially since one of those loved ones are my mother who is dying. witch is also another thing that bothers me. I already lost my dad and almost all my loved ones, now my mom?! and the only person I really had was my boyfriend who abused me after a few years of being together. we had two children and I finally left. but of course that still affects me. then I found an amazing man,, we weren't together long before I fell in love and ended up pregnant again. I'm stuck between giving him my all because I love him and not wanting to be hurt again so I'm scared. questioning everything. so all that with the stress of daily life, having two kids , being pregnant with my third. back at my moms house where my sister lives too and its a house full and they aggravate me. I'm stressed, I'm confused, I'm worried, I'm lonely feeling, my anxiety is crazy and I'm depressed and pregnancy hormones doesn't help.. :( if it wasn't for my babies I'd give up, but I know for them, I can't, but it'd SO hard.. :(