so sorry for Britt's passing, wow, 17 years, as you say, can't remember life without her. she is well-loved, and knows that, and you did the kindest thing for her. nothing to forgive, she';s thanking you for helping her as you have all her life.

it takes a LOT of time to adjust to life as it is now, for you and for your other dogs. all they've known too is Britt. hugs.