"Sans, we are going to switch gears today. You might not like me for it." You started. It had been a good couple of weeks now. It was time to start the real healing to begin. Sans looked at you from his position on the bed. "what... what is it..?" You could hear the unease in his voice. "I need you to tell me what happened... to get you to this point." You asked calmly. Sans froze. "w-what... got me t-to this p-point..?" He replied shakily. "Yes. Take your time. I know it's a hard, but I need to know so I can better help you."

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"his... his name was gaster....... doctor.... wd gaster...... he was....... he created us..... trapped us.......... tortured us. it......... i still feel it....... sometimes.." Tears pricked Sans sockets and you hugged him close. You waited for him to continue. "..... the needles of red........... they hurt so much...... i-it hurts....! it hurts! it hurts it hurts it hurts ithurtsithurtsithurts-" You were petting him again, taking away his phantom pains. "It's ok Sans, you are no longer there. You are here, safe in my arms." You murmured, trying to comfort your patient. And it worked as he looked up at you with yellow dusting his cheekbones. He clutched tightly to you. You blushed a bit yourself as you thought on his words. It was enough for you to piece together the story. Sans and Papyrus were born or created by this Dr. WD Gaster. He then used them for tests and experimentation. The experiments had probably been what killed Papyrus, sometime after that, Sans escaped. Now he was here, a traumatized mess. One that you truly wanted to help. "Just relax now, that's all I needed to hear.."

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You let him rest for the rest of the day, deciding to save the 'Papyrus is dead' thing for when he was a bit more stable. "Dr. Toriel, Dr. Alphys?" The two monsters stopped what they were doing and looked at you with curiosity. "Yes Dr. [L/N]? Is it about Sans? Is he becoming to much?" You shook your head immediately. "No, no, no. Not at all. We've actually made good progress today. I wanted to ask you to refrain from using any injections on him, for whatever reason it may be. He has a trauma toward needles, specifically, so until further notice all medications for him should be oral."
"H-he o-opened u-up..?" Alphys asked. "He opened up enough. I'll let him give me details on his own time, but at least I have a vague idea of the story." You explained. "Very well then. We shall not use any sort of needles on him." Toriel agreed. You gave a nod. "Good. Then I will be getting back to him before his nightmares get worse. I don't want him hurting himself again and I'd rather not use the straight jacket." With a wave, you went back to your distressed patient.

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You were petting Sans once more as he curled up in your lab. Most would call it adorable. You called it therapy because this was when he was the calmest. Something about your presence always seemed to calm him. You never questioned it. "dr. [L/N]..?" He whimpered from your lap. "Yes Sans?" He tried to push himself closer. "do you think he's still out there? d-dr. gaster..?" Sans asked quietly. "Even if he was... there is no way I'd EVER let him touch you again, be sure of that." Was your quick reply. "but... you're just a human... you don't have... magic, or anything to defend yourself with.." You looked at Sans, smirking. "Don't underestimate me, I'm stronger than you think. Plus I'm determined to protect my patients, this man will never get in so easily so long as I'm around." You said matter of factly. Sans cheekbones were yellow again. "o-ok... i'll help you protect too, ok?"
"You're very noble, Sans." You chuckled. "I like that about you."