my cat keeps peeing.

Alexandria • ~👶Rainbow baby 10/21👶~ - Happily married 💑💕 3/29/15

I don't know what else to do. I want to get rid of my cat but I got her from the shelter...she keeps only peeing on my fiance side of the bed. she use to not do this but ever since our puppy got older I think she started then. I don't know what else to do I'm just getting sick and tired of washing my blankets ever 3 days please help!!!!!