sexually frustrated 😩😔

So... I'm getting kinda frustrated cause I've been trying new things with my boyfriend. Nothing that he has pushed me into doing he's a really sweet guy and he has a lot of patience with me. 
I feel bad cause he is able to please me at any time. He knows me very well and I've been trying to find a way to please him.
From all the things we've tried doing I've only made him cum about 3 times. Usually through oral. 
He can make me cum in like 2 seconds (no joke). We tease aechother and we are always playing around but I can't get him to cum unless I'm on him for hours and by then I get tired and I've cum like 20 times. 
Any ideas or suggestions??Â