It sounds like the loss of the dog is bringing back memories of happier times with your ex. The loss of a pet can actually be harder than the loss of a person. There’s not a person on the planet that hasn’t pissed someone off at sometime. But animals know nothing but love and affection. My advice is not to start judging your current relationship or over thinking your former relationship. Get a new dog. Not the same breed, maybe the opposite sex. A companion pet, not a replacement pet. I’m no shrink, but that’s my cheap unprofessional advice. Good luck!
I wouldn’t do anything right now when you’re still grieving. Wait until things start feeling normal again and see how you feel. I wouldn’t assume he lied about his relationship. There’s barely any trace of my husband on my FB and we’ve been happily married for over 15 years.
How often are you two communicating? Is it only about the loss of the dog? Just to clarify, are you saying there is literally zero trace of her on his social media accounts? Not one single picture of them together? I think if you truly have feelings for him, you should tell him. Then his girlfriend and your boyfriend won't have their time wasted any longer.
Grief can sometimes conjure up unexpected feelings. I'd give it some time, and then if you still feel this way, maybe let him know. Sorry for your loss.
We talk often. Not only about our dog. We are always catching up. I have never seen a picture of them!!! He never says anything about her. If she does exist then he must not be big on the relationship. All I know is in our relationship he had tons of photos of us!! I don't think I'm wasting my man's time. I love him. Truthfully, it's obvious my ex is hung up on me still. He is probably wasting his "girlfriend's" time. I feel bad for her.