Crying out for help 😩😩

I been with this guy for 3 years now every since I got with him I’ve been getting bad cramps in my stomach and sometimes nausea everytime I wake up in my past relationships I’ve haven’t felt like this I went to see my doctor about the situation and she made me get a  abdominal X-ray and utrasound and she said that everything looks good she gave me medication for the pain to see if it would stop an it hasn’t I recently spent the night at my mom house could u believe Wen I woke up I didn’t have any pain or any nausea ...we both rushed into a relationship I love him but I’m not in love wit him an as the years go by I realize I’m still young (20) I have plenty of life to live a lot of stuff to learn and see every since I met him (24)I’ve always been in the house we do things here an there but he has a bad habit that I got into as well he spends most of his money on marijuana an leave me wit bills to pay n etc I’ve never in my life smoked as much as I smoke now an I really wanna quit an just get my life and my health together I wanna go bck to school An just be happy I can’t really do that now cuz it’s like I’m taking care of myself and him as well everytime I say that he doesn’t think that he only think that I wanna leave wen times is rough I wanna leave before it’s to late I say everyday I wanna take my name of the lease an he think that I be playing or he’ll say u not going nowhere I’ve distancing my self from my family & friends to focus on his family an friends wen they never since I met him showed me love as much as my family do we had times were we both didn’t have a job I had to ask my family for money almost(1,000)an they did it but stop cause the felt like he supposed to be man none of this should be goin on he ask his family for money the most they give him is (20)an he kno wat he spend it on ? Marijuana 🤦🏽‍♀️🤦🏽‍♀️I really don’t kno wat to do I’m stuck in a box an I wanna get out I need any advise from the mother’s wit young adults or just any advise for anybody isn’t nobody I can run to not even my friends cuz they have they own life’s or family to worry about