Afraid to get extensions.. but really want them!

I got my hair cut 2 weeks ago. hate it, my hair is naturally thin, but when it was long not thin enough to where it looked stringy or so thing you can see my neck through my length. The girl who did my hair thinned it so much, i think it looks sick. I want to grow my hair back out- am growing my hair back out!

but i miss my long hair- so i have been researching extensions since 2-3 days after my cut. But I am really really afraid of getting extensions done and then having my hair fall out or so thin it breaks. I want my hair to have grown length when I get extensions removed. So then the length is a good length and the layers are grown out. She layered it to 2-3 inches off roots and then down to a inch off my collar bone! i used to have hair a couple of centimeters off my bra strap!! any info to help me?

hair extensions does not damage your hair if done properly. on the contrary they help grow your hair....