Don't worry about your age or your height (I'd take that line out of your profile, BTW), as there are all ages and heights, and from what we've seen at clubs, parties, and from our own experiences with couples, you are an average height.

Your writing is good, I really can't think of anything else you could add, except maybe a "normal" picture, face shot, whatever. In your writing, you come across as a little unsure of yourself, so that might be a factor too. You're good looking, so don't worry about responses to that...you'll get them without asking for them.

Have a great time!

your profile is well written and that is very important to most couples (from what we have read and speaking for ourselves of course).

best of luck