I try to be. As for foods, I actually like a lot of healthy stuff, but somehow my body cannot handle most of it, I double over in cramps and nausea.
I wash my hands like 10+ times a day.
I try to get in a cup of green tea everyday. I drink extra, if I've been around a lot of sick people.
Oh okay now to the tips...
-forget about gym memberships and stuff. Try to get in your physical activity by doing things you like...be it ice skating, aerobics, sports, wall climbing, swimming, whatever. I get realllllly bored after five minutes on the treadmill or stationary bike!
-Experiment with spices on bland foods. Eating a broccoli and potato dish would be nasty with only salt, or worse, without anything. But adding something like garlic or curry makes the difference!
-Use olive oil as your fat, I've grown to like this stuff better than butter and margerine! Its really rich, don't OD on it.