I like alien perceptions of reality. Alien perceptions of reality are nifty.
So there IS a reason, but it's because of something that's EXPECTED to happen, not something that HAS happened.
Also, the shocking revelation that Edward didn't always have a mustache.
I know most of you assumed he was simply born with one, but no. He decided to grow a mustache later.
I was about to make a "he was at least in Elementary school first" joke, but then I remembered I show him older than that in the flashback within a flashback, so... Way to ruin my joke, ME.