[Yorksmama]

I was wondering if dogs are more likely to accept another dog when they are fertile? If so wouldn't that mean that it is best to calculate from the first day or two that they tied? For example, Lily & Buddy tied several times on April 27,28,29,30,May 1,2. Is it best to say that Day 63 would be June 29th? I think Lily is holding out on me here. Maybe she is waiting to have these pups in the weeeee hours of the morning!!! That's ok, I don't have to work tomorrow.