thank you all for your input, i have to get him neutered before 6 months anyways since rescuing a dog at least in michigan is law to have them neutered. or else they can come to my house and take him back. which i doubt they would do but who knows. I know that my vet wanted to wait till after 6 months to do it but i told him my situation and i want to get it done at 5 months before he starts becoming way too much of a handful.