boyfriend question ?

I feel so dumb even thinking about this, but anyway I’ll just get into it. A little background, my boyfriend periodically goes to up to a cabin with his friends for usually 3 days. He never texts me when he’s up there, like at all. Is this normal, should I not be upset over it? This is my first real relationship so I’m still sorting through the phases and what not. I’ve talked to him about it before and he doesn’t really see the issue with it. I would just some other insight.