Rule of thumb... I.M.P.Opinion. First, very special attention needs to be given to a new horn, or a newly overhauled saxophone. The old school manner to break in a horn is the same manner you would break in a car, easy does it.
Maintain your rods oiled
Don't drink syrupy liquids or beer, just water at the end of your sessions
Run your pull swab through the horn to remove excess saliva, ...