Bill wants (to) Sex. Bill is related to Head. Chef is etymologically related to Head. 
Tide is related to Movement. Movement is related to Breath. Breath is a synonym of Life. Lifestyle is derived from Life. 
Sex <--Desires-- Bill <--RelatedTo--> Head <--EtymologicallyRelatedTo-- Chef 
Tide <--RelatedTo--> Movement <--RelatedTo--> Breath <--Synonym--> Life <--DerivedFrom-- Lifestyle 