[Cody's Mama]

Hi everyone. I'm hoping someone here can help me figure this one out. My Cody is trained to go both indoors on his weewee pads and outdoors. I went on vacation and was gone for 10 days and my boyfriend, whom he looooves, babysat him while I was away. My bf took him out for long walks both morning and nights and Cody rarely went on his pads indoors during that time. When I got back I notice Cody will hold it as long as he can and then he just pees wherever. I don't take him on walks twice a day because my schedule doesn't allow it all the time and now i feel like he got so used to it that he refuses to go on his pads and might be acting out?? BUT, and this is the part that really concerns me....he has pee'd on his bed, my bed, and my foot!!! I thought dogs didn't soil where they eat or sleep?! And what's with the peeing on my foot?? I've read that can be a sign of total disrespect but where is this coming from? He has since pee'd on my carpet numerous times. I don't know what can be going on?? Does anyone have any ideas? Help, please.