The... the.... with comparative adjectives

Para comparar y contrastar se usan estructuras paralelas. Se usa para mostrar el aumento o la disminución. En español decimos: "Cuanto más duermes, más sueño tienes".
THE + ADJ. COMPARATIVO+ CLAUSE

• The more adventurous it is, the more I like it. (NOT The more it is adventurous, the more I like it.)
• The less I see him the more I like him.
• The more he reads, the less he understands.
• The older we grow, the wiser we become.
• The higher you climb, the colder it gets.
• The richer one grows, the greater one’s worries.
• The less you spend, the more you save.
• The sooner they go, the better it is.
• The bigger, the better (Cuanto más grande, mejor)

A short form of this structure is used in the expressions ‘the more the merrier’ and ‘…the better’.

• ‘How do you like your coffee?’ ‘The stronger the better.’
• ‘When should I start?’ ‘The earlier the better.’