Why is my boyfriend pulling away?

The past 2weeks I’ve noticed my boyfriend had been pulling away from me mentally and physically. He’s always on the game, his phone or watching tv. I’ve asked him to do things with me and he’ll say no but a few hours later he’ll do the same thing I asked with his friends and will ask if I wanna join. We never really talk anymore and recently he’s been sleeping under different blankets then me. I brought this up with him and he said it’s just bc he’s stressed about work and he’s not pulling away bc of me. He even went on to apologize for taking his stress out on me. I understand why he’s stressed but he’s never been like this before. I’m trying to be supportive for him but it’s hard when I feel like he’s not interested in me anymore. It feels like we’re just co-existing now
Why is my boyfriend pulling away?
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