In a relationship but single

I love my boyfriend so much but he doesn't give me attention like he used to, all he thinks about is money , betting and his friends. I calmly talked to him about this but it leads to arguments🤔🤔🤔. 5 years of relationship ain't easy, we've been in the same  position for too long 😑.  I still haven't met his parents, he hasn't introduced me to none of his friends and when  I ask him about it all he says is that he doesn't want people involved in our relationship., I understand and I agree , there's too many haters nowdays but ..what I'm more concerned about is that even though I'm In a relationship I feel single. We see each other once or twice in a month, we talk on the on phone for max 10 mins. And that's all and the cycle repeats again .😟😫