Sour from experience (5)
I believe the answer is:
jaded
(Other definitions for jaded that I've seen before include "Bored, sated" , "Tired and bored, lacking zest" , "Fed up or weary" , "Exhausted - satiated" , "Lacking enthusiasm" .)
I believe the answer is:
jaded
(Other definitions for jaded that I've seen before include "Bored, sated" , "Tired and bored, lacking zest" , "Fed up or weary" , "Exhausted - satiated" , "Lacking enthusiasm" .)