<human>: Summarize the given text in a few sentences.

This is my first exclusive relationship, and I recently had a conversation with my SO that left me really worried and not sure of what to do. I am 24F and my SO is 27M. 

He revealed to me that he doesn't care too much about having sex, and that he mostly just does it because I like it so much, and it makes him happy to make me happy. After I questioned him about it, he said he does obviously enjoy sex, it feels good, it's just not a huge need for him, and he much prefers cuddling and closeness. He also said it's certainly not the case that we only have sex because of me. However, this is still a problem for me because:

1. I now feel selfish about wanting sex. We don't have it as much as I would like, and now I feel especially bad about wanting more, and a little pessimistic about the future of our relationship.

2. I want to feel attractive and desired, which would require for him to initiate more and act like he really wants me - difficult now that I know he doesn't "need" sex like I do.

Today I told him these things over text, and he responded by saying that he doesn't initiate more because he doesn't want sex to be the only thing we have. We have sex every night that we see each other, but it's usually too short of a session, and not enough for me. Unfortunately we're both very busy with work and live an hour away from each other, so 3 evenings a week is the most we can see each other. This doesn't leave much time for us to do anything together other than sex and cuddling.

Is this a typical case of sexual incompatibility, or is there more to it that can be fixed?
<bot>: I feel unsatisfied, but guilty for wanting more sex because SO says sex is not really a priority for him, and he likes it mostly for my sake.