how do I fix this???

So my boyfriend and I have been trying to lose my virginity for a good min but it always hurt, and today we tried and finally it went it without that much pain. But now we have a new issue. Everything is good it feels good but there's this pain in my stomach when he strokes and Ik it's air but HOW DO I STOP THIS?!?!?  I need this to stop😂😂😂 so I can enjoy sex with my mans boy got the stroke game😛