Marvin ponders his attractiveness before giving himself "a solid 7/10". With a bit more work, he feels he could improve.
"I'm not happy with my skin, eyebags and my jawline could be better," Marvin says. "If I sort all that, then I'd be a 9/10."
The 26-year-old is a keen "looksmaxxer". His day starts early with a hard gym workout, then he's back home and his routine starts. After a warm and ice-cold shower, he cleanses his face and rubs a frozen cucumber over it, which he says will reduce puffiness, acne and brighten his skin.
Then he carries out jaw and other facial exercises, videos of which he often posts to his 35,000 followers on TikTok.
"This is the Zygopush," Marvin tells me, while pressing his thumbs directly under his cheekbones and massaging upwards towards his ears in an attempt to hollow out his cheeks.
