"Sometimes, rarely. It's not something I can control, most of the time." He blinked, then shook his head. "I just know that most Alexes look like me, or very close to me. Some do not, and so far, those I've encountered only come from one. The one where the Alex I showed you came from. While there are infinite universes, it seems some are more likely, or closer to one another, than others."

He chuckled. "It can be headache inducing."