Partner doesn't want to hang out with me?

My Partner doesn't want to hang out. He's always too tired on the weekend and doesn't want to leave the house all he does is play his video game or be on his phone. He does go out if his friend's invite him but if I suggest something he either dismisses the idea, says he’s too tired, or just isn’t interested. I feel like I’m losing a part of him, and it’s affecting how connected we feel as a couple. We've been together for more than two years and live together. In the beginning we always used to do stuff together like go to a new restaurant together, go on dates or go out for a coffee/tea or dessert. He seems to have lost interest in doing fun things with me.

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We live together and see each other everyday but other than that we don't do anything outside the house at the moment.
Partner doesn't want to hang out with me?
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