Player with big lead resigns

I'm new to the site and I'm a bit puzzled by a phenomenon that I've encountered recently. I've been receiving a large number of messages indicating that my opponent has resigned -- in spite of the fact that they were clearly way ahead in the game. This has been happening with a surprising frequency. I wouldn't be surprised if it only happened occasionally, as someone might occasionally need to suddenly end a game in spite of the fact that they are winning, but it's happening with great frequency. Is this a common phenomenon on this website?

What messages have you received? For which games (can you supply a game-number)?

It seems you have only won 1 game at the site...

@egoist - maybe you're talking 'bout your other account... Nice handle though