So my boyfriend and I have been living together for 2 years all has been well but now he is asking me to lock my cat out of the bedroom at night. His reasoning is that he is a light sleeper and doesn’t sleep well when the cat is purring and sleeping/walking on me. He also has slight allergy against cat fur that would sometimes start at night. 

My reasoning is that the cat has always slept with me since he was a kitten and that locking him outside he would meow to be let in annoying the neighbours at night. 