What does it mean when a man always messages you Good morning and Good night?

I’ve started talking with a man on online dating website.

I like him a lot.

He messages me Good Morning everyday and wishes me Good Night most of the time.

We message throughout the day but he sometimes messages me on time and sometimes messages me 2-3 hours later.

Not sure why. But he never forgets messaging me good morning and I am not sure if he likes me or not.

We also swapped our contact info and he doesn’t visit dating site after he got my contact.

What does it mean when a man always messages you Good morning and Good night?
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