Keeping track of carbs is pretty hard for me, depending on your weight you should eat X amount of carbs a day. These days everything you can eat has a lot of carbs. Keeping track of how many carbs you've eaten so far during the day can be tricky if you don't know how many carbs the food you eat have.

I have a deficiency in my iron levels; I'm suppose to have a medical exam once a year but I always forget that, also I need to have a especial diet in order to help my body increasing iron levels but for me is very difficult to follow up

Mindlessly walking to the fridge and stuffing something in my mouth, then doing it again, then realizing I was actually just thirsty.

Also, sleeping enough and not at such weird times.

My vitamins. I know my diet is awful due to low budget and time, but I try to counter that by taking daily multi-vitamins. Unfortunately, I get into streaks where I just forget them.

I always forget about buying the vitamins that I need. my defenses are low and when I'm sick is that I remember to buy vitamin C.

Not precisely forgetting but being to lazy for exercising... other than regular sex, I haven't hit the gym in months.

I have a problem with drinking too much soda. I often find myself drinking more than I'd want to.

Sleeping. I average two all-nighters a week, which is doing terrible things to my health :/

The amount of salt and fat that I eat.

Dont eat fried food!

for me, definitely my diet. eating a combination of food that amounts to 3k calories plus the right amount of protein, carbs, veggies, what have you, is definitely hard for me, especially when I'm out an' about a lot.

For me, it's avoiding eating too many small children. They can be very addictive and fattening if one isn't careful.Personally if you have the same problem as me, I suggest doing what I did and having a few more dogs and cats in the day.They help fill you up and divert some of the craving to keep you down to a healthy 2 or 3 kids a day.