My Alfie was neutered 10 days ago. The night we brought him back home he couldn't stand up but still wanted his tea! Before the op he would hump our male German Shepherd's tail. The day after the op he was doing it again. I wouldn't have had the energy. He is still doing it but will stop with a firm 'No' I do hope he does stop it as poor old Scooter (German shepherd) just isn't interested. Also Alfie kisses Scooter at every opportunity. And if Layla our female German Shepherd wants to play with Scooter, Alfie grumbles at her as if to say 'He's mine!!'