Excited is similar to Crazy. Crazy is a synonym of Bug. Brother can Bug. Brother is related to Son. 
Regard is a synonym of Gaze. Gaze is related to Look. Look is a type of Convey. 
Excited <--SimilarTo--> Crazy <--Synonym--> Bug <--CapableOf-- Brother <--RelatedTo--> Son 
Regard <--Synonym--> Gaze <--RelatedTo--> Look --IsA--> Convey 