Teaching behavior change

Last month, I talked with youth in an area with extraordinarily high HIV transmission rates who told me that they know they SHOULD wear a condom, but well - they don't.   Last week, I talked with a mother of a struggling student who said that she knew that she should read with her child every night, but well - she was just so tired when her daughter was ready for a book .  Today, I talked with an obese woman who said she wasn't even hungry when she overate, but well - once she got started she just couldn't stop. 

So many problems that affect our health and happiness, so many excuses for why people just can't commit.  I love, love, love delving into these issues with people, asking endless questions and coming up with some interventions based on their responses. Behavior change is this amorphous, at-times overwhelming concept of why people do what they do despite knowing how it will negatively affect them and/or those that they love.  Any behavior is game for introspection, not just health behaviors.   I am especially eager to explore ways in working with teachers and parents about why students and parents struggle in forming positive study and work behaviors.  Any potential co-authors out there?