Considering the age difference here I could see this either one of two ways. A) Denial of a very real desire to have sex or the need to cultivate almost a father/daughter love.
Romantic friendship is way to vague for me in this and is much more understandable in a same sex situation for me...if he said "deep" friendship I would have a different feeling about this. The word romantic is pretty specific when speaking of men and woman to most people.
Playing the Game of Life with Monopoly rules.
Monogamy might just be in my genes
Poly Events All Over