Blood,pressure in Yasni Exposé of Ang Mei Shing

The devil's dominion is full of greed, darkness, struggling, fighting, swords and bloodshed, and is replete with jealousy, prejudice, hatred, cheating, flattering, fawning, secrecy and abuse. Now suppose that the light of wisdom shines upon that dominion, and the rain of compassion falls upon it, and faith begins to take root, and the blossoms of joy begin to spread their fragrance, Then that devil's domain will turn into Buddha's Pure Land. And just like a soft breeze and a few blossoms on a branch that tell the coming of spring, so when a man attains Enlightenment, grass, trees, moutains, rivers and all other things begin to throb with new life.

Blood stains cannot be removeed by more blood; resentment cannot be removed by more resentment.  Resentment CAN removed only by FORGETTING it.

Pressure usually stems from caring too much about externals and other people's opinion