I don’t like this and I don’t know how to approach this to him without sounding like I’m accusing him but it’s really weird to me?

So I have noticed that now my boyfriend work from almost 7am /9am till almost 7pm /8pm at night. We only see each other that late almost every day and maybe have dinner , lay around the house and go to bed and have sex.
I don’t like this and I don’t know how to approach this to him without sounding like I’m accusing him but it’s really weird to me?
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