Lately I have been jealous

Sarah*
Of my boyfriends ex girlfriends. I love this man, but the one thing that deeply bothers me is how many ex girlfriends he has. I am number 17 and even though he loves me I don't feel special. I know it's ridiculous but I had 3 boyfriends and saved myself for someone special. He's had 16 girlfriends before me and had sex with one of them. I just need some advice on how to deal with the…