I totally know the feeling!
I have DS12 and DD8 now, but over the last 6 years we've been to DL at least 5 times, WDW once, and going to WDW/
DCL this Christmas! Every time we keep saying - no more Disney, then lo and behold we're heading back there again. This year, the kids and I went to DL during the Olympics (DH was volunteering at the Olympics so we went without him), and within the same year, WDW! The quickest turnaround we had was when I had a conference in DL in October, then a conference in WDW in June - 8 month time span!
But seriously, after this trip, no more Disney for a while
Jen