No, seriously, do NOT.
Feeling dirty and grimy for extended periods of time is extremely draining on the mental well-being of humans. Psychological studies prove it is detrimental to our self-esteem and contentment. And no wonder; we are animals--homo sapiens, a kind of ape--that instinctively places high importance on personal grooming. Like monkeys and cats and birds in a zoo, one of the best ways to make us feel sad ... is to make us feel gross to ourselves.
So here's an easy saying from my therapist/zookeeper:
"If you feel like you hate the world, eat something.
If you feel like the world hates you, get some sleep.
If you feel like you hate yourself, take a shower.
You will probably feel much better."