Before getting with Mila Kunis, the That 70’s Show star was often spotted on Tinder in his single days. Kutcher later contemplated investing in dating apps like Grindr — which he made his now-wife try out.

“He was like, ‘So babe, you know, I got this thing that I’m thinking about. … You need to do me a favor and look at this app. Download [it].’ I was like, ‘No problem!’” the Black Swan star said during a 2015 interview on Jimmy Kimmel Live!. “I’m on this thing going, ‘What is this?!’ Like, swiping things left and right.’ I’m like, ‘This is amazing!’”