How to express my concern to somebody who will come back from the operation(surgery)? One of my friend is in the operation,I would like to email him when he come back.How to use ENGLISH to write?Any one can help me?

Which color do you like best? I like green.so I like anything if they are green.Green give me positive power,and when I feel blue I love to find somewhere,like park,mountain,suburb... Which color do you like best?

How to improve my spoken English quickly? How to improve my spoken English quickly?