It’s hard and feelings are best allowed to be had and expressed as much as one can. I have found a lot of solace with my pets whom I’ve lost, by considering that they never last more than those animals live, and the best any of us get is to have a good life while we’re alive. That helps me reflect on how happy a life they had with me, and I was aware I gave them really good happy lives, so that although I would miss them, their life was really pretty much all really great, which eventually has me feeling good and satisfied about it all. Passing in sleep is also a really gentle way to go.