Lost my boy Blue

I recently lost my boy Blue on Friday, he's one of my first pets and my first loss. I'm having a hard time grieving his sudden death.

With such a short time on this earth you left your paw prints imbedded in our hearts... Blue was a very happy puppy who loved cuddling and just being around, my little Velcro pup.

I know there's no time frame on grieving or guide. Any advice will help.