I think that the only way to teach is by example, as children will more easily follow what they see you do than what you tell them to do.
Anything that's different from your own realm of experience as a human being, whether it's driving a car or a boat, or using guns, anything that separates you from yourself and leads you more towards this character's existence is a big help.
I've never been very successful in a monogamous relationship, but I'm looking forward to the day when I can assume that responsibility.