Hi, I'm Sean, 18 years old

. I started taking taekwondo class

four months ago. Now I'm a 7th degree yellow belt. They say that I'm doing a pretty good job and improving every time

, but I'm not satisfied with my improvement

. It's been four months and I am now a 7th degree yellow belt but can't even do a high kick! Well actually I can, with a force, but I can't hold my leg in high position so I don't count it as a high kick, get my point here?
See for example, you do a front kick and hold it straight up in the air, how high can you hold it? Me, only knee high and I'm stragling to hold it that high! That's how I look how high a person can kick. Now get it?
My highest front kick is a little bit above knee high. My round kick around hip level.
The reason I came up with this because I am having a problem and needed some good tips and help

. I am graduating in about two months and I want to be able to do a very high (face level) kicks

in my forms. In my form I'll be doing a low round kick followed up with a repeat high kick which I'm having a problem right now.I needed some good stretching and strengthenin advice. Apperently my legs are also weak that's why I can't hold it up high. What should I do?
