Myself and my husband we're going out,Heavy was in the basement it gets hot down there when the heat is on,so I bought him up to our room where he sleeps and locked him in until we came home,because a cousin was spending the night as well.When we returned home we noticed heavy had peeded in our bed.Why?

1 - because he had to urinate and had nowhere else to go;

2 - because he wasn't happy being in the bedroom;

3 - because he normally is in the basement and doesn't know how to behave "upstairs";

4 - because he has some sort of physical problem.