Do you give him a yummy treat everytime he goes potty? I always give a treat and make a big deal out of it (dance and all lol ) ... Bentley goes on his pad everytime just so he can have his little party lol. He's 4 months old too
. He comes to me right after using his pad all happy because he knows whats coming !
Hang in there, they have accidents once in awhile! 4 months is way to young