MY FIRST POSE YALL

So I finally tackled something I was high key dreading, actually attempting a pose. The reason I was dreading it was because it just honestly looked hella hard, and I was at least partly right. It's such a detail program, the majority of it I still don't understand but I at least was able to pull off my pose. This is my literal first try, I made the pose put it in the game and took some snaps. I see some things I want to edit like the fingers. Was going for a fidget with the shorts kinda of look for that hand but it kinda got messed up. The other hand is also posed rather stiffly and unnaturally. The feet stance is cute but maybe a little TOO inward and that one shoulder is like no lie prolly dislocated lol. But the face came out pretty much how I want except for that cheek , i think it might be because of how i have the jaw to make it appear like the lip is being bitten, dont know If i can fix that cheek but I am confident I can fiddle with the other flaws and perfect this shy pose. So Id insight, input, criticism. I am aware how disproportinte it might look cause a lot of times I clicked the point tried to move it a little and it went haywire so I had to try to fix it , i was unaware ctrl z would work to undo the mistake -_- lol. Question though is there a way to "reset" a point back to default without reset the entire pose? like just resetting a single point. I had messed up the nose and kept trying to put it back to default but couldnt figure out how so I just tried to fix it manually, the nose is fine in the pose so it worked out but I would like to know for later. Also my thumb nail didn't want to work it said to use DDS file but its only letting me import PNG and its not showing up.