Are you sure about this? I think dopamine is the chemical that motivates you to undergo behaviour, rather than being the chemical that gives you pleasure.

https://www.ncbi.nlm.nih.gov/pubmed/15877719
https://www.theverge.com/2018/3/27/17169446/dopamine-pleasure-chemical-neuroscience-reward-motivation

I write about psychology, philosophy, and society. Also a part-time moose masseuse. Hit me up if you need me to de-knot your elk.