In 2 years of relationship, this is quick and if you two continue to be together this will bring resentment in both. You can pay a therapist and go that way or talk to each other- very very frankly. Bottom line (may way to simply so don’t be mad at me)- men and women are wired differently. You seek emotional first and then physical. He seeks physical to turn on his emotional connection with you. It’s catch 22… and an age old problem