WHY DO PEOPLE SAY THAT THEY FD UP 5 TIMES WHAT DID I MISS?

Without the up,^*

Are they saying 5? And not 4? Ohhh. So first it starts because of this:

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And this was after their first night, so they have at least one more time from the second night. But tbh, I half thought she was making a joke based on the two-time thing and two-timing, as in, cheating on KM.  ¯_(ツ)_/¯