Was this kind of weird

I've been seeing this guy for a moment. He has full custody of his daughter. When I was over his house a women knocked on the door. I asked who it was and he said "My sister". I said you have a sister? He said " No. I just lied to you and idk why". He opened the door and he said it his was his best friend Camilla and she's taking his daughter for the night. She yelled "Auntie Camie!" And that was that. I jus thought the lying part was weird.

Edit: I'm trying not to look too.far into it. He's a weird.person and does odd things that doesn't make sense. He has brain damage from a motorcycle accident nd still has the scar on his head so I sometimes chalk up his bizarre behavior to that. Idk though.

Example of bizarre behavior: He got a bowl and filled it with orange juice. When I asked why he said "I don't know..."