Dietary fats are essential to give your body energy and to support cell growth. They also help protect your organs and help keep your body warm. Fats help your body absorb some nutrients and produce important hormones, too. Your body definitely needs fat.
The answer for this question is false
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.
Well for self you can go out and buy urself things and be happy with urself. You have to build up you're confidence. You have to believe that you can do almost anything. You just have to really boost yourself up.
When it comes to other people it depends on who it is. You have to get to know the person, what they like and what they don't. When you find that out see how comfortable they are with showing affection. You can see with how much they compliment you, touch you, and overall just body language.
Hope that helps!