Complex sentence: He vents to his friend, Blaine Tuttle (Joshua Jackson), who suggests that the informant might be Annette's ex-boyfriend and closeted jock, Greg McConnell (Eric Mabius), revealing to Sebastian that Greg tried to make a pass at him.
Split into simpler sentences: He vents to his friend, Blaine Tuttle (Joshua Jackson). Blaine suggests that the informant might be Annette's ex-boyfriend and closeted jock, Greg McConnell (Eric Mabius), revealing to Sebastian that Greg tried to make a pass at him.