Mentally tired sums it up the best, and I just woke up.
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Its a thing going on with 18-21. Learned this in various online youth communities about half a year ago.
Im not claiming this is the case here, but its definatly a thing.
When she said it , it immediatly popped up.
And tbh, so much things to do on a date a girl can like, but swimming ? She doesnt even have a swimsuit.
Its the easyest way to see the pure look of a person.