"Just once, a dietitian likened it to child abuse: she said ‘He has so many allergies and he’s quite small, so it’s a form of neglect.’ I had to get up and walk out. I later found out she’d been asked to leave because she was so aggressive and judgmental.”"

Worried he’d never have a family, Louis became a prolific sperm donor, hoping that his children would one day track him down. And then they did