Titha kudzaza tsamba lino lonse ndi zolemba za dopamine komanso zogonana. Dopamine ndiye wosewera wamkulu pakulakalaka zakugonana, zosankha, zachiwerewere, zizolowezi zogonana motero amagonana. Wogwiritsa ntchito zolaula akafunsa chifukwa chomwe amagonana - yankho lake ndi dopamine. Chimodzi mwazinthu zomwe zimadandaula kwambiri ndi kulephera kwa erectile, komwe kumachitika chifukwa chofunitsitsa kwambiri mphotho ya mphotho. Kuchulukitsa kumatha kubweretsa kuchepa kwa ma siginolo a dopamine - zomwe ndizofunikira podzutsa chilakolako chogonana.
Nthawi zambiri pamabuka mafunso okhudza kugwiritsidwa ntchito kwa testosterone komanso zolaula. Mwa ena mwa maphunzirowa muwona kuti testosterone wamagazi samakhudzidwa. Testosterone imakulitsa chilakolako chogonana polimbikitsa dopamine muubongo. Kugonana kumabweretsa ma testosterone receptors ochepa, motero dopamine yocheperako. Kugonana sikugwirizana ndimagazi a testosterone.