It would seem that searching google, etc would yield more answers, even if the OP doesn't go to a wacko forum- they would see that it has been asked and answered for a long time.
A counter-question- what, exactly, breaks in? Do the electrons move more easily? Why do Electrical Engineers look at me as if I have three heads when I tell them about the ads for special cables, wire dressings, cable stands, batteries on cables and special materials?