Even though there are many reasons why your skinny, the most common reason is because of your genetics.
You probably got your skinny body frame from your parents or a relative.
The good news is that you can gain weight and become bigger despite your predetermined body type.
Here are 3 basic rules that will get you from skinny to big quickly.
1.
 Eat More: This rule sounds simple, but it's usually not done correctly.
Many people have a difficult time eating more because they don't have an appetite.
If you have this problem you should still try to eat something.
You should start off by making yourself eat something small every few hours.
Your appetite will begin to increase after a while.
Once your appetite has increased you should then begin eating heavier meals.
This will gradually get your body accustomed to eating more frequently.
2.
Eat More Protein: When you begin eating more you need to make sure your getting good quality protein.
You want to gain weight and look fit, not gain weight and look chubby.
Protein is a nutrient necessary for building muscle.
Every meal you consume should have some form of protein.
3.
Eat As Often As You Can Throughout The Day: You should also try to eat as much as you can during the day.
If you go long periods without eating it will cause your body to breakdown muscle tissues for the calories it needs.
Especially if you have a fast metabolism, eating more often is very important.
Try spreading your meals throughout the day so it will make your meal sizes more manageable.
This will also make sure your body has the calories it needs for muscle building.