To change a habit make a conscious decision then act out the new behavior.
Man maintains his balance poise and sense of security only as he is moving...
You do have to change things as warfare changes.
When I was in school I read a lot of comic books and pretend I was in them and kids would tease me and call me names. But now I do the same things and people say that I'm artistic and cool and I'm doing the exact same thing I did in high school.