Denotation/Connotation

One of the words in each set is positive. The other word is negative. Practice deciding which word has a positive connotation and which word has a negative connotation.
STUDY
PLAY
Collector
Hoarder
Fan
Stalker
Slender
Scrawny
Career
Job
Elderly
Old
Relaxed
Lazy
Disabled
Crippled
Challenging
Difficult
Unwise
Foolish
Talkative
Chatty
Thrifty
Cheap
Motivating
Pushy
Lady
Chick
Youthful
Childish