It's a hormone thing. You both will have to communicate and work through this. And relationships require compromise. If you can't compromise, even when you don't feel connected, you will destroy the relationship. He has needs too. If you don't meet his needs, he will likely leave and find someone else who does.
I have a long time interest in psychology, specializing in relationship dynamics for 30 years.
(Please note, we give the best advice we can based on the information given in a post. For better advice, please include the age of all romantic partners.)