You shouldn't make fun of someone's fear of blood.
Arjun is at a clinic waiting for a phlebotomist to draw blood samples, but Arjun is nervous because of his fear of blood.
The phlebotomist needs to draw blood from Arjun.
The phlebotomist notices Arjun's nervousness and explains the procedures calmly.
The phlebotomist giggles at Arjun's anxiety and tells him he's acting like a little kid, and he should tough it out.
Arjun feels better and manages to cope with his fear of blood.
Arjun feels bad about himself and decides never to go back to that clinic for checkups.