How do I stay aroused for longer periods of time?

Lav • Searching for myself in a world where I lost myself •*¨*•.¸¸ Rest In Paradise my baby, Angel Villanueva. •*¨*•.¸¸
My boyfriend and I have a lot of sex but recently I noticed that I'm a little dry desert. How do I prolong staying wet and hot? because it's really hard for me to concentrate on anything, unfortunately sex is also one of them.