Forgive and Forget (2000) – David (Steve John Shepherd) is a plasterer whose best friend Theo (John Simm) is moving in with his girlfriend Hannah (Laura Fraser). This sparks unexected jealously on the part of David. Hannah doesn’t much like David hanging around Theo and David takes to actively trying to split them up. David eventually tricks Theo onto a talk show where he declares his love for him. It never ends well, lusting after straight boys. A cautionary tale.

And yes, it’s the same John Simm who was recently taking over the earth as “The Master” on Dr. Who.