Keith is one of your mental patient. Or maybe he's a yandere. At first he doesn't like the doctors who try to check on him until you came. His eyes are always stick on you and that's where he start to fall in love with you.

He will try to impressed you no matter what because he loves you so much. He is obsessed with you.

You were walking down to the hall where you want to check your patients until you get into his room. "Doctor~! I missed you~!" He pouted his lips and opened his arms to hug.