"He fashioned a sanitary pad out of cotton and gave it to Shanthi, demanding immediate feedback. She said he'd have to wait for some time - only then did he rea

"He fashioned a sanitary pad out of cotton and gave it to Shanthi, demanding immediate feedback. She said he'd have to wait for some time - only then did he realise that periods were monthly. 'I can't wait a month for each feedback, it'll take two decades!'" Sounds like he got a pretty solid biology lesson along the way.