Reminds me of this:
the Taiwanese artist Chen Yi Fei designed a 'tear gun' that collects and freezes actual tears to shoot them back at the person who caused them to cry.
Copyright: Design Academy Eindhoven, 2016
Photography: Ronald Smits
IG: _fei_studio_
eileen chengyin chow
In ‘Tearwater Soup’ Arnold Lobel listed many idiosyncratic but wonderfully potent sources for sadness, as the character (Owl) wanted to cry, to make the eponymous soup.