well, i've been doing jj for a while now but i've never done any standup so i started trainnig at a kick boxing gym last week and tonight was my second night back. i have a few questions for you seasoned boxers and kickboxers: 1.i go two rounds and i'm gassed. the last minute and a half of the second i'm looking at the clock wishing for the round to be over. did anybody else have this problem when they first started and how long did it take for you to up your stamina? what did you do to help increase stamina? 2. we went over leg kicks today and when i got into the ring to spar and incorporate what i learned, after a few kicks to my opponents thigh, my shit hurt to all hell-and i had shin pads on. my instructor wasn't chekcing the kicks-he was just leaning into my kicks. is this also something that you guys experienced when you started? also, what kind of body hardning technices did you use to increase the pain resistance to your shin? all help will be appreciated. you know how it is when you first start training something. you're not confident in your skills and think you suck because basically...well, you suck. thanks fellas....and maybe ladies.