I badly need relationship advice

I have a partner of 2yrs and I still have not met any of his friends. I always ask him when I will be meeting his friends to help me know him more as a person. He always ditches the idea of me meeting his friends/relatives.As a little background, he is not out to anyone but me and my friends.I can't help but be paranoid at times since at the first part of our relationship we had some issues on cheating.I need help on how I should handle the "paranoid" situation better.I always feel insecure whenever this issue comes up. I feel like is it because of my job (I am a customer service rep and he is an engineer) or is it because I didn't finish college (finishing college is a "thing" here in where I am) or do I have trust issues?I badly need some advice.