3 babymamas and 5 kids

I am 20 years old and in a relationship with a man that has 3 babymamas and 5 kids (hes a little older than me). Me on the other hand i have none. We have been together for 4 years . and i had fallen deeply in love with him. When we first started to date it wasnt a problem because it wasnt that serious but now im having second thoughts. One of his baby mothers is moving right down the street !!!He told me i can trust him and he wouldn't disrespect me . I am in deep love with this man and i know it would be a pain for me to get over him .but on the other hand im wondering should i really deal with the heart ache . plus im afraid of being single and lonley again.