You've got two young kids. Your D6 is just about at the age when Halloween begins to become a big deal. S2, not so much just yet. How you handle Halloween is to make it ALL about you D6. Focus on her 100%,and make sure SHE remembers Halloween as the most fun she's had in a while. Get those pumpkins carved with the candles in it! So you don't give out candy this year....there will be next year. Take your kids out and let them have fun.
It's weird. Before I was brought on active duty last January, I was separated from my W. AND KIDS for 4 months, living 5 miles away from a 600K house in a guy's garage apartment without a stove! My solice and the center of my universe was my kids and especially my S8, who would spend all weekend with me. I love him to death. I love my daughters dearly too, but he always wanted to be with me, and kept me from the most horrible of depressions. Focus on your kids.