Is it normal to always check out at a particular girl when you have a girlfriend?

What does it mean? I caught myself checkin her out again and it’s like the 3rd time this week. I’ve never talked to her in my life

It’s normal to check out a particular girl when you have a girlfriend
It’s normal to check out girls in general but not a particular girl
It’s not normal to check anyone out when you have a girlfriend
Select gender and age to cast your vote:
Is it normal to always check out at a particular girl when you have a girlfriend?
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