Why did Ren and Bobby break up?

[CassandraHCM]

I saw the end of the episode today... but what was on teh ultimate humiliation tape taht Louis did not show on TV?? I'm SOOO confused...

[courtney.xxo]

Louis had a tape of Bobby and Mandi "Always Gets Her Man" Sanchez kissing in the hallway at school.

[Jerlene]

Didn't he show her eventually though?