Is there any word available for a person who gets bored easily with something they liked? May be a guy who wishes for expensive stuff but once received he finds it rather monotonous!!
Example:
Chris bought that watch for $200, however he is not using it, he is such a ______ person.
Noncommittal : Not expressing or revealing commitment to a definite opinion or course of action.
He did not go through with his course of action in buying the watch.
Flighty: Fickle and irresponsible.
He was irresponsible for wasting money.
Capricious: Given to sudden and unaccountable changes of mood or behaviour.
Changing his mind about the watch was an unaccountable change of behavior.
Whimsical could also work. Similar meaning to capricious.
Chris bought that watch for $200, however he is not using it, he is such a fickle person.
ODO:
ADJECTIVE
Changing frequently, especially as regards one's loyalties, interests, or affection.
‘Unlike Fred who is a creature of habit, I am far more fickle, always in need of new experiences, change and variety.’
Collins:
adjective
If you describe someone as fickle, you disapprove of them because they keep changing their mind about what they like or want.
Chris bought that watch for $200, however he is not using it, he is such an inconstant person.
- Frequently changing; variable or irregular.
- (of a person or their behavior) not faithful and dependable.
(ODO)
Insatiable seems like the right word as it describes somebody who is never able to be satisfied
