I don't go in for being sorry for people. For one thing it's insulting. One is only sorry for people when they're sorry for themselves. Self-pity is one of the biggest stumbling blocks in the world today.
To see the butcher slap the steak before he laid it on the block, and give his knife a sharpening, was to forget breakfast instantly. It was agreeable too - it really was - to see him cut it off so smooth and juicy. There was nothing savage in the act, although the knife was large and keen; it was a piece of art, high art; there was delicacy of touch, clearness of tone, skilful handling of the subject, fine shading. It was the triumph of mind over matter; quite.
I think you can train yourself to block out some of that pressure and replace it with confidence. It's about preparation, and the more prepared I am, the less pressure I feel and the more confident I am. As your confidence grows, it's only natural that the pressure you feel diminishes.