Lose weight the answer is a
Hydration!!!!!!!!!!!I think
Calories is watching fat intake with food. if you're trying to watch your calories yes it's the fat, because you are trying to eat less fat to maintain a good diet.
sugar crash is to much sugar intake and it makes you fatigue and go to sleep or you feel drowsy and lazy. To much sugar intake is a reason for sugar crash.
Usually you want your financial future to look amazing because you dont want to sit around broke and being a ward of the state do you?