Punch a black belt in the face, he becomes a brown belt. Punch him again, purple.
You should be a missile and go and destroy your opponent.
If your opponent is tapping, your technique is good. If he is not tapping, your technique sucks.
There is no reward without sacrifice.
Always enter like a kitten and leave like a lion. But NEVER enter like a lion and leave like a kitten. Always be humble.
Life is yours, do not let life's problems have other influences on what you believe. See for yourself.