It's a realrewardtoseesomethingcometofruition, togetthatdeal, tofinishthatbookinmycase, toteach a classthatgoesincrediblywell, togetthatcompliment.
A lotofthatsuccessaddictionbehaviorisneurophysiological, as a matteroffact.
Youfindthatpeopleactuallygetdopaminein a way, that's a neuromodulatorthat's implicatedinallformsofhumanaddiction, thattheygetdopaminespecificallywhentheyfeelthatthey'resucceedingatwork.