The Golden Soul [Sans X Reader]

Resets

     You wake up on the couch, laying on Sans's shoulder. He was snoring softly, and smiling in his sleep. You grinned and got up slowly, making sure not to wake him. You made breakfast with what he got yesterday at the market. You put his food on the table and wake him up. After breakfast you both head to Waterfall again.
   "Hey Sans... can you tell me how I was able to come back to life? It's been bugging me lately." Sans's eyes go dark, but returns to normal when he sees your worried face.
   "I'll explain once we get to Hotland. I need a minute to think of how to explain it." You look at the ground. You know he was just procrastinating, this subject is obviously hard for him to talk about. A neon sign  is on your left, it says 'Welcome to Ho-' it seems broken. Suddenly your in a fiery hot place, the ground was red and lava replaced the water rivers that you had just walked past. He looked at the ground.
   "... hey, do you want hot dog? I can teleport us to my stand...."
   " I want you to explain it to me. ...unless it's too hard to talk about." His small smile faded into a face of shear pain.
   "It's fine, you deserve to know. Have you been seeing star like things around Snowdin, Waterfall, and the Ruins?" You nod your head.
   "Those are 'Save Points', it's the place you go after you die. I'm not really sure how you ended up in my room when you died... but I guess the rules are unspecified. When you die, you go back in time to when you were alive at the Save. But... that's not the reason I hate this power." His eyes went dark and he stopped walking.
   "It's the fact that you can change what you did, drastically. You could kill everyone you know and LOVE, and Reset back to when you first fell into the underground. You can also give everyone a happy ending. Or do what the last human did. A neutral run. You kill some and let the others live... but then they make you suffer. They make have me horrid nightmares and I can never forget like everyone else does. The flower you saw, he can only forget after a True Reset, which is what you can do after the pacifist or genocide runs. But when you die and Reset to your last save, he remembers." You look at Sans, he looked as if he was going to shatter. He was shaking and tears threatened to fall.
   "So it's the quantum physical theory of controlling time... y'know you didn't have to dumb it down, I have a Phd in quantum physics." His smile slightly returned.
  "Oh cool. I do too, but I don't put it to much use anymore. There's no point anyway. At least not now." He teleported you to his stand.
   "Cmon, let's eat and forget about this for now. That walk made me starving." You both eat some hot cats cause he don't have a hot dog. You had a competition to see who could balance the most hot cats on their head.
Sans won with 50, you were only able to get 3 on your head.
   "It's not fair the you have telekinetic powers to put them on." You complained.
   "Well you could have just asked for help." You start laughing and so does Sans, making all 50 hot dogs fall of his head. You spend the rest of your time making food related puns and re stacking hot on your heads. It was fun.