He smiled as he thought about his own childhood.

Meaning: He made a facial expression that shows happiness or amusement as he used his mind to consider something about the period of a person's life between birth and adulthood that is his own.

Choice of Words: Smiled means to make a facial expression that shows happiness or amusement. Thought means to use one's mind to consider something. Childhood is the period of a person's life between birth and adulthood.

Alternative Expressions

Related Expressions