###INSTRUCTION: Fix grammar: It is a matters behind fact on this kind of show attracts people of all ages but what doing viewers really liking about them. Lately, I have been watching one of these reality shows called Big Brother (men and women about their twenties and thirties) having to lives together during three months.
###RESPONSE: 
It is a matter of fact that this kind of show attracts people of all ages but what do viewers really like about them? Lately, I have been watching one of these reality shows called Big Brother. Men and women in their twenties and thirties have to live together for three months.
It is a matter behind fact that what do viewers really like about them. Lately, I have been watching one of these reality shows called Big Brother (men and women about their twenties and thirties). Having to live with them for three months has made me feel like they are really interested in me.