Yeah....when I get characters I don't like, I tend to just neglect them and wait for the match maker. But when I get a super-cute character, I try to preserve its awesomeness, then it turns into an doldie (makes me really angry!) and just a few days ago my Hanatchi (♥) turned into an oldie...BLAH.
And now my v4.5 has turned from a cute teen to a creepy Yasaguretchi *shivers*
I'm just WAITING AND WAITING AND WAITING until the matchmaker turns up already....v4.5 has a lot of weird characters I don't like :/
But yeah the only time I ever reset was in 3rd grade when my sister and I both had Masktchis on our v2s, and we connected them about 100 times but they wouldn't marry....they were male and female. I eventually got frustrated and reset :/