Now that's a happy ending.

A Scottish man surgically outfitted with a so-called "bionic penis" has lost his virginity at age 44 with a sex worker who donated the session.

"I’ve been waiting for this day since I was 18," Mohammed Abad told The New Day UK. "But now a big burden is off my back and I’m so happy.”

Man fitted with bionic penis after childhood accident loses virginity at 44 https://t.co/tBu8A6ACqg pic.twitter.com/rRNjoHM8aS — Daily Mirror (@DailyMirror) March 21, 2016

Charlotte Rose, escort and sex activist, heard about Abad's plight through media reports and reached out to him to be his first -- gratis, the Daily Beast notes.

Abad severed his penis when he was hit and dragged by a car at age 6, the New York Daily News previously reported. He underwent several years of procedures to have a new penis molded from skin taken from his arm. The penis contains tubes that inflate to give him an erection.

According to the Mirror, Abad and Rose got to know each other for a few days in London before the big moment. His penis malfunctioned at first but a day later he experienced conjugal bliss for the first time.

Rose called the experience an honor. "Your first time is a memory in your life you never forget,” she told outlets.