"Do you know what I wanted to be when I was young?"

I furrowed my eyebrows as he suddenly brought up such question. His eyes were filled with unreadable emotions that I had never seen before.

"I wanted to be an engineer. I wanted to build houses, buildings, tall and huge buildings, schools, bridges and every structure you see around you. That was really my dream then." He sighed and gave me a sad smile.

"If so, why didn't you pursue your dream?"

"Because I took ...