He weighs 70 pounds. He's thin.

He weighs 150 pounds. He's average weight.

He weighs 210 pounds. He's heavy.

He's five years old. He's young.

He's 40 years old. He's middle-aged.

He's 82 years old. He's old.

She's 5 feet tall. She's short.

She's 6 feet tall. She's tall.

She's 5'6" tall. She's average height.