“Time flies.” but I don’t think so. It doesn’t always go so fast. Instead, I think “time is like a fly.” I’m sure it’d be happy to just sit there and calmly enjoy the day with you, but you just have to keep scaring it off, don’t you?
http://allmostrelevant.com/2012/08/26/547/
http://www.youtube.com/watch?v=1Npo0cmp-VY
WARNING: this account contains language–lot’s of it