At 3 months old your jack should be doing is business outside if not when you feed him time him so you no when he's going to his potty and take him outside on his leash to the same spot if he wont do nothing after 2min take his potty mat outside next...

Hi you didn't mention how old your bitch was with akitas as you may no they can be very dog aggressive Bitches and Dogs alike its best to get them very young and socialis...