Your boy needs something to increase his appetite if he is under weight for his age. You should try the B vitamins as they will increase the appetite. Make sure you get a good B complex as all the B vitamins work together. You also might try Bee Pollen as it is full of the B vitamins, is more natural, has a sweet taste children like, and completely safe for children. Bee Pollen works very well for children and they like taking it. This will increase his appetite.
There have always been underweight people.
no way, she is far to much underweight.
They continue to grow in their 20 year lifespan each year getting bigger
no your not underweight you about the right size
Grow up!
eat more
stretch and masturbate regularly
Yes, you are obviously underweight.
You will have to wait for it to grow during puberty naturally.
As a 13 year old you weight will frequently increase and decrease as you grow but any where below approximetly 85 lbs is under weight and may seek medical attention.
i think you are a little bit underweight but it all depends on your height
April to oct its a seven month period