Can a nightmare fall in love?

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Errors (POV)

Geno.... What's wrong with him?
I stopped what I was doing and walked toward killers direction "what's wrong with geno?" Killer gasped for air then said "He has cancer!" my eyes widened a little cancer? How... "where is he?!" I said he then nudged his head to a portal I nodded and ran with him towards it guess I'm not going to finish doing destroying this au... he smiled a little then faded going into the portal and seeing geno up on some things science was there and said "im sorry but he has heart cancer..." what... "HOW!"I replied he just shrugged and said "maybe from his parents..?" I fell to my knees then I felt tears going down my chest to my shorts I looked down and wiped the tears off my cheeks "h-how..." I started crying more "WHY!!" I cried then It turned to sobbing I felt something touch me and wrap around me pick me up I looked and saw nightmare holding me with a tentacle I still had tears in my eyes and Sartre to glitch "s-sto-stop!" I tried to get out of the tentacle he looked at geno and sighed

Nightmares (POV)

I look at geno and sigh 'this isn't going to end well huh...' I felt error hitting my tentacle then nothing I looked at him confused and saw him crash 'oops... forgot' I put him down on the chair in the hospital room "is he going to survive?" I asked science "not if he gets a heart replacement" he replied I sighed "ill take him home" he nodded and went back to work I made a portal and put error on his beanbag at the void "what's going to happen..."