Claire, I can understand your decision. I'm not going to make it harder for you by saying "Oh, please don't go, PC can't carry on without you". But you know we'll all miss you a lot, and I'm grateful you're still going to post in your Claire x Dawson clubbie. You were, you really were, a great admin, and most importantly, you are a good person. PC will be different without your constant presence; I'm still adjusting to seeing your name not purple, bolded, or italicised.
And yes, you were the voice of reason in the site admins. You were truly the best, undeniably.
Like Jorge said, enjoy your time with Dawson. I hope that your life together will bring you a lot of joy. The Internet tests a relationship; the Internet, for those who endure not being by each other's sides for every moment of the day, strengthens a relationship, and yours is truly beautiful. ^_^ It was low and savage of whoever did so to attack you on a personal basis over something non-personal, especially something like your relationship.
Whatever you do, may it be joyful and fulfilling for you.