Both my dogs (1 male &1 female) love me more than my husband... he, he. but that's because I wash, feed, groom, train, etc. his only responsibility is brushing their teeth... My male is 7-8mths old and has been marking his territory since 5 months... however he usually does it outside but I have caught him trying in the house I would have definitley neutered him if we weren't planning on breeding. Good luck