I recently bought a strap-on cuz the guy I'm with asked if we could add it into our bag of toys. It came in this weekend and last night I was planning on using it... But my anxiety got the best to me and I decided not to use it because I felt I wasn't ready. What advice do you have for a new strap-on user who is plus? I have put it on and I'm trying to find a good comfortable position for it but I've got a belly that flaps over some and I don't feel confident in it...help!