[¯|_(ツ)_|¯]

Oh no, I’m so sorry that this happened and that you had to witness this. I’m so sorry for your loss.
Maybe you can find ways to honor Stewie like making a collage of your favorite photos or putting things like his collar or food bowls on a shelf where you can see it and remember how much you two loved each other. It’s also important to remember that Stewie knew he was loved right until the end.
Also take time for self care such as listening to music that comforts you or watching your favorite TV show or movie. You can write or do art to express yourself.
Let yourself grieve. It’s definitely okay to feel every emotion you’re feeling so don’t bottle it up. Your family can also offer support.

I hope things go okay.

Take care,
Dez