Thomas: are you all right bro?
Bob: sure, just a little hangover, what's up?
Thomas: all fine, you just disappeared on us last night around midnight lol
Bob: did I? hahaha sorry mate 
Thomas: no worries, what did you do?
Bob: well I don't remember much really... got home around 5
Bob disappeared on them last night. He doesn't remember what he did. Bob got home around 5.