I just got my first ever snake on Sunday.

I have always wanted one, and this is SOOOO exciting.
He/she is a 4 year old corn snake. Very lovely colour and quite active. I haven't had to feed him yet, but I was quite ok with picking up the jumbo mice from the freezer (our shop sells them individually from a tupperware box .....

)
The previous owner told me Gary was fed on the Saturday - and he has just poo'd all over my laminate flooring. So that is 4 days after being fed. Is that pretty normal?