Oh no. He's crying.

What should I do?

What kind of emotional turmoil would lead him to breakdown during Physics?

My heart calls out, desperately willing express compassion and sympathy, yet my mind jerks me back with the cold, prickly rope of anxiety.

The sobbing continues. Quick glances from other students dash back and forward. Even the teacher uncomfortably cleared his throat and resumed his lesson. Is anyone gonna comfort him?! Or at...