What does it mean when a guy texts you at 3 am.. in this context.

confusedchiccaa
I know that normally when a guy texts you in the wee hours of the morning he's looking for a booty call.

This morning I got a text from a guy I've been on 2 dates with saying "So sorry, busy day today! Home now :)xxx" We haven't had a lot of contact between date 2 and this text, and it has been 6 days since date 2. I text him not long after the date thanking him for it, and he responded 3 days later basically saying he was busy again. I text him the day after this and he replied quite quickly, and then I text him again. His response to this last text was the 3 am text.

Does this text mean he's thinking about me? Or is it a booty call text? Is he into me if he can only find the time to text me at 3am telling me he's home?
What does it mean when a guy texts you at 3 am.. in this context.
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