Routines help because they reduce the impact and uniqueness of the good behaviour. Another approach is to do things that have high positive pay-off but include

Routines help because they reduce the impact and uniqueness of the good behaviour. Another approach is to do things that have high positive pay-off but include health benefits you wouldn't target but get "for free". Example: I ride my bike to work because it's awesome, faster and makes me feel superior. That I get exercise and help out the earth is a side effect; I'd probably still ride my bike if it was unhealthy and produced more CO2