Is this strange??

I’ve been with my bf for three years. I haven’t seen his mom in over a year, he’s close to my family but im not really close to his. he says his mom loves me and thinks i’m very sweet, but every time we plan for me to come over the plans get switched?? it could be because his house doesn’t really have anything to do like mine does, and we have a routine at mine every weekend that we are very used to. also I have never met one of his friends before. i’ve met one through gaming once over voice chat but other than that no. his friends know about me and know my name so I was never really concerned but im just wondering if this is concerning? ive asked him about it a few times and he denies anything shady.