Adjectives and Prepositions

Adjectives and prepositions. Some adjectives need a preposition before their object.  It doesn't seem to be logical - I'm afraid we just need to learn them!
Here are some of the most common ones:

• famous for
  France is famous for its food.
  
• proud of
  He is very proud of his new car.
• interested in
  Julie is very interested in sport.
• pleased with
  John is very pleased with his new suit.
• bad at
  They are very bad at maths.
• good at
  Einstein was very good at physics.
• married to
  My mother has been married to my father for 20 years.
• excited about
  I'm very excited about my holiday.
• different from / to
  Coffee is different from tea.
• afraid of
  I'm afraid of spiders.