A brooks should be positioned with the nose of the saddle level. I had gotten a little disenchanted with my 7-year-old brooks. As it turns out, I had been doing some playing with the saddle position and screwed it up.

Take a level and place it on the nose (ignore the back), adjust it until the nose is level.

I've learned not to play with the saddle tension or if I do, it's maybe a quarter turn every year.