I don't think we have ever enough time to mourn the loss of people and pets. Much too early we are asked back to normal life and try to push ourselves into it.

And then it comes back some years later- because there is still that loss in your heart.

For me it's very important to have some time alone from time to time ( and I don't have enough) because it really helps me deal with feelings like that.

No you aren't nuts Sounds perfectly healthy to me