From the fool! To have an orgasm, you need an orgasm. To get an orgasm, you need the opportunity to experience pleasure from sex. When the stomach turns, like with diarrhea, there will be no pleasure in biting a woman with any figi.
Sports are pleasant, endorphins are also produced, the mood is there, a tide of strength. Try to declare to the person with a sick leg that he is a dull chicken, does not want to run on the sick leg a couple of kilometers or ballet dance, type, endorphins from the pleasure of foot activity will cure!

And about the sick head - this is generally a winged expression, because someone came up with it as if a man is dying from sorrow and complexes with the words of a woman "I just don't want"