If you're keeping him on a regular feeding and play schedule, I don't think there should be a problem unless the cat is stuck in a possible cycle where it's attraction to females in heat is still active. I have heard some cats that were spayed/neutered late receive this effect.They will meow or...
My cat, Shaggy, who is currently about 2 1/2 years old, is terrified of almost anything black. She is comfortable with most of the black decorations in our house, such as my black chair and piano stool, but she is terrified of anything else. Since she has almost no background information, (She...