honestly?:

- eat crap one day, eat healthy other.

- don't own a car/walk and take the stairs rather than lift.

- avoid public transport (where possible).

- work hard.

- get a good full 4 to 9 hours sleep per night.

- do some light weights every other day (or when bothered).

- drink lots of juices and waters and avoid fizzy drinks.

- alternate drinking beer and shorts without mixers.