I regret not filling in those details in the contest that'll help. I'll add those later.
I, like many other people, regret those shoes with toes. I regret that they don't seem to be going away.
I regret buying my poor child a cheap MP3 player when all he really wanted an Apple product. No wait a sec -- that's his regret, not mine.
I don't regret that boredom factor, much.
I don't regret writing stories with other people and want to do that more and more.
I regret people didn't buy that particular story of mine. I thought it was fun.
I regret dumping all those email addresses.
I regret not finding that dog vomit earlier.
I regret not answering your letters or emails.
I regret not knowing how how to gracefully answer that sort of note/email months too late without making dumb excuses.
I regret clicking on links of year end retrospectives, mostly because then I'm reminded about all the people who died in 2010.
I regret not staying up past 11:30 but I don't think I"m going to make it.