I hate to say it, but I think this tends to happen at your age.
:)P~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
No, seriously, every rechargeable battery generates some heat, IIRC. I would guess that it has something to do with the transfer of energy. Whatever the deal, every laptop I've ever used was a nut roaster if I sat it on my actual lap.
Because of that, I usually use a cooling system of some sort. It's easier to do that when the computer is stationary, and you can get some that include cooling fans and plug into a USB outlet (which, of course, does use some battery capacity). Otherwise, if you rest it on your lap, I would try to figure out something to do to (a) get some air under the computer, and (b) protect yourself from the heat. Even if it's just a couple of potholders and sitting with your knees at least a foot apart.