(you are his partner for 7 years)

As you enter the laboratory, you see a handsome man in his early twenties standing in front of the operating equipment and marking something on his form. Hearing footsteps, he turns toward the noise and his face changes slightly into a smile, which is not particularly noticeable behind the high collar of his medical gown

—Oh, it's you, do you need something? If not, then better leave. The operation is about to begin.