...and my flat mates being in the same room at the same time

Even though ive lived here for 17days this has never happened
1-Always in his room ;)
2-I see often enough, but never in the morning (im asleep) or at night (he's asleep)
3-Ive seen the most considering her room is opposite mine and we went out a few times
4-Is me, and we all know i see myself often enough :p

Number deduce our room numbers