Need a little advice!

Hello, my name is Beth I am 24 years old. (Sorry for spelling and grammar, not my best.) I've been with my BF for a year and a half now, he is 41 and has a 2% chance in having children, and has tried for 25 years. I still got on depo to regulate my pireod and just to be safe, because I have 3 girls one that I gave up for adoption because I was not in a right place to take on a second child, and soon after found out about my 3rd. I really was not overly joyed about this one cause I am so young and two is so hard alone and my BF is not the most "faithful". I never had as much morning sickness with my last 3 and every day I feel like tiny butterfly in my tummy, not so comfortable and I am only about ten weeks and already having trouble sleeping, this one is so much different than my others, and I really dnt no what to do 8(