BF not that interested in sex

Hello!
So long story short.. Im in a relationship with my current boyfriend for 5 years. He's my best friend, kind, and spoils me. He's everything on paper... Just lasks in the bedroom. Its not that he's BAD at sex
Basically we nly have sex around once a month (if im lucky) We're both nearly 30, but dont live together. He says he sees a future with me.. But honestly, if he doesnt want sex more im going to leave.
Im tired of making excuses. I LOVE sex, and to be in a near sexless relationship to me, feels like we're more best friends who on the rare occasion sleep together.. :(
Any tips for me? I mean, im in shape and all.. Ive tried spicnig things up before.. and he'll get going for a while and then go soft.. its driving me INSANE
What more can I do?!? I really want to give thins one final shot before i leave him :(
Im very sad over this, and ive been stressing out for months/years.. i love him.. but this is really getting to me. Im starting to feel ugly sometimes when he turns me down :(
Oh he went to a sex counciler before, and that helped him in the bedroom department.. but id say for the past 2/3 years.. i could count the times we have sex on my hands. He doesn't have depression and is very fit (gym everyday)

I think your boyfriend is gay.

Either he has erectile problems or he doesn't find you attractive, but is too fond of you to let you go.

Its likely a porn addiction OP or else hes gay.

He refuses to commit, he wont live with you after 5 years and your both nearly 30.. you should be engaged, living together and planning a baby but something is holding him back.

Have you ever checked the history in his phone or computer? Maybe you should just to prove that he does have a sex drive-just not with you.

And no you shouldnt let it make you think your unattractive. This has been an issue from the start so the problem is NOT you, its him.

But it is a problem that you stayed for so long with all these issues