Why isn’t he on whatsapp anymore like he used to?

I noticed that he isn’t online on whatsapp late at night or he’s very briefly. That’s why I’m thinking that he must be still single.

When we used to chat before we often talked late at at night. He would reply to me even past midnight or even later than that.

He does still check his whatsapp daily couple times a day but usually during the day and afternoon. He doesn’t spend there that much time.

Why isn’t he on whatsapp anymore like he used to?
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