“Size was never an issue…” That’s what British filmmaker Chris Waitt said at the Sundance Film Festival last week where his documentary “A Complete History of My Sexual Failures“ was in competition. For his film, he embarked on a mission to learn why he kept getting dumped by girlfriends. What did he hear that was most disturbing?

“There were issues to do with my penis, sexual performance. The use of the penis was a recurring theme. For other people, it is a joke. But for me, I have had to try to address that issue.”

And many others, too. Waitt went out and interviewed five ex-girlfriends, out of the 30 he had originally targeted.  One was his girlfriend when he was 11, so she didn’t really count. Another talked via computer behind a screen, so neither her voice nor her face would be recognized. The consensus was that Waitt was lazy, chronically late and he had those darn performance issues.

But he also had a disgusting apartment, piled so high with junk that his mother — who is also sharply critical of her son in the film — comes over to move mountains of trash and clean the bathroom before he can invite a new woman over.

“I try dressing better, I wash a bit more, I’m cleaner. Personal hygiene came up and I am addressing that,” Waitt said.

Waitt said making the film had been a form of self-help. He has even become a beacon of hope for others in similar situations. Now that his movie is screening and his intimate secrets are on public display, Waitt said he’s going into hiding for a few months. Then, he plans to emerge a fresh man.

“I am hoping to just have a good successful relationship with someone,” he said. “I don’t really mind how the film does, just as long as my pain and my humiliation gives someone a little happiness will be fine.”