Full Idea
The concept of 'love' is structured mostly in physical terms, as journey, a patient, a force, madness, war etc.
Gist of Idea
The concept of 'love' is structured mostly in physical terms
Source
G Lakoff / M Johnson (Metaphors We Live By [1980], 15)
A Reaction
Their case is that nearly all of our moral thinking grounded in general metaphorical concepts. 'Good' doesn't seem to be metaphorical, even if it starts in direct experience. Mere 'I feel love' doesn't seem metaphorical.
Book Reference
Lakoff,G/Johnson,M: 'Metaphors We Live By' [Chicago 2003], p.85