There many of us out there who isn't naturals. But as long as you're having fun, then it´ll work out for you, for sure.
No worries about your student friends etc., its just stress. Had it a bit like that in the beginning, but you´ll find out that its totally individiual and you will get that A faster than you think.
Keep jumping and have fun while doing that, then you´re great skydiver.
-Jezz, DK