I had a similar experience - although I was not 6’1”. I was however fit.
Straight As. Honor Graduate. Yearbook artist.
I was preaching by special invitation at 19.
At a Christian school, the good girls (including the ones who really did seem good) still went for the bad boys and dumb jocks.
Many of these girls told me how much they respected me; some said I was the most honorable man they knew. Yet they did not want to date me. They did value me as a Christian friend. (My point is that they did not see me as a creep, or try to avoid me.)
It took some time, but I eventually called a halt to it all.
Some of them are now divorced.
My opinion is:
Intelligent men are both too little and too much a challenge:
Too little: Such a man does not need a woman to transform his lump of coal into a diamond.
Too much: Such a man cannot be so easily manipulated, and may arouse a woman’s insecurity.
Amazing!