Why cant i gain substance?

i'm a very petite gal,resembling eva longoria,i'm really small and it so irritating,i could pass as a 9yrs antiquated gal when i'm really 20,i dnt get my waist size cos they are so small and i've tried getting hold of weight but i never seem to be to gain more than 100pnds,i'm also flat chested with simply no asset.
Answers:

What are the symtoms?

Don't feel doomed to failure sweetie. I'll be 27 years old this December and I'm not even 95 pounds even so. I too get mistaken for a young at heart teenager deeply. I have a strong time gaining cargo not matter what I chomp through or how much I eat. I'm also small chested. I'm a 34A. But you know what I well-educated to love my body and appreciate it for what it looks like. If I can't vary it then I love it. I enjoy never had a problem beside getting a man, and my boyfriend of 5 years adores my small body. Believe it or not greatly of men love small petite women like us so see it as a blessing. Trust me profoundly of women would love to be 100 pounds and small framed. When it's time for you to gain weight you will, but for the time one appreciate your body because it's the only one you own. You may get bigger in the future and wish you be smaller again so be happy next to what you have and remember nearby are plenty of us out here that are small just approaching you. Your not alone.

Whats a good trick to making the vagina tight besides kegel exercises?

high metabolism...? step ask a doctor and see what you can do to gain some weight...you may still be developing...my dads sister didnt develop until after she go to college...