Melanie McNally, PsyD has just published Helping Your Unmotivated Teen: A Parent's Guide to Unlock your Child's Potential. She was seeing a lot of parents complain about how their teens appeared lazy and what she found was it was really a problem in motivation. Dr McNally talked with me about how to think about motivation and what goes into it,  She talks about how motivation involves three skillsets: drive, grit and goals and then how to address difficulties with skillset

Dr McNally is a licensed clinical psychologist  who is also the author of The Emotionally Intelligent Teen. You can learn about Dr McNally at her website https://www.destinationyou.net/