The Good News Is, I Finished Off The Icing

Workout
Level 1 of Jillian Michael's 30 Day Shred

Diet

Description	Calories
Sugar-Free Maple & Brown Sugar Oatmeal	100
1/2 Banana	55
3 tablespoons icing	150
spaghetti sauce	35
spaghetti	570
garlic bread	180
popcorn	50
2 packs of yogos	160
1 tablespoon peanut butter	90
1 slice of bread	55
2 glasses of water	0
4 glasses of Diet Coke	0
TOTAL CALORIES	1445

It seems that if I want to eat well, I cannot have any junk food in the house whatsoever. It's the first thing I go for and I eat it until it's gone. Why is the worst thing for me the most appealing?