This was surprisingly impactful to me and so I thought I'd share in case it would do the same for others.
. "The addiction was a compensation for something that you lost in childhood, something that you had every right to expect life to give you. Something that's an essential human need and all addictions are like that".
Note: Maté means addiction as a destructive/unhealthy coping skill/compensation. So it can be to substances, validation, gambling really anything. I'm paraphrasing and summarizing his definition of addiction, and it's worth checking out if you are curious.