Losing your sense of smell can put you off sex, study says 

US researchers found a link between a loss of olfactory function and decreased 'sexual motivation and emotional satisfaction' in older US adults. https://www.dailymail.co.uk/sciencetech/article-9240335/Losing-sense-smell-sex-study-says.html?ns_mchannel=rss&ns_campaign=1490&ito=1490