It feels like there is a weight preventing you from wanting to move. Preventing you from wanting to do anything.
Despair is a part of the stages of grief.
In [Big Mouth](https://en.wikipedia.org/wiki/Big_Mouth_(TV_series), depression is anthropomorphic kitty who sits on your chest and prevents you from getting out of bed because of the weight of it all.
Kitty Beaumont Bouchet, (AKA the Depression Kitty), is a monster that works in the depression division in the Monster World. She represents depression and makes her clients feel sad and unmotivated by working with them.