Well, now that you mention it I suppose it is a pretty lame question. What strikes me as more odd is the situation in which you observed the nuts in question. If I were to check out anything upon walking in upon a friend engaged with a female it would certainly not be the man's testicles.
I for one would like to keep observations, thoughts and remarks about male genitals off the table for my discussion with the internet.
TPBM thinks that the law should be that pedestrians yield to cars.