The guy I’m getting to know send a message that I barely remember what we talked last night why did he send this?

When we called last night he said he was drinking a bottle of wine. But it’s clear he remembers what we talked and beside that our conversation wasn’t much it was basic talked about our day.
Any reasons a guy would send such message that he was drunk and was he ok when we talked last night?
The guy I’m getting to know send a message that I barely remember what we talked last night why did he send this?
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