is he new to your girlfriend? when perrito was about 6 and started to spend more time with me and my bf together everytime i took a shower he would hide and then pee on my bed, i worked with him for about 2 months, now hi is fine but still hiding when im in th shower
, maybe he just now that im leaving soon (i usually take a bath bfore work) but the thing begun when my bf was at home more often