[tweetmeme source=”elizabethev” only_single=false]I’ve been sitting on a secret since Friday night. Me, the person who tries to give people their Christmas presents in October, too excited to wait. After a long day and one huge surprise, I went to bed the happiest person on the planet. Nick asked me to marry him, and you’d better believe I said yes. In the four and a half years we’ve known each other,…