Troubled is similar to Careful. Careful is a synonym of Anxious. 
Developing is related to Exposure. Exposure is derived from Expose. Expose is a synonym of Detect. 
Troubled <--SimilarTo--> Careful <--Synonym--> Anxious 
Developing <--RelatedTo--> Exposure --DerivedFrom--> Expose <--Synonym--> Detect 