Dear Mike,
I had a good time at your birthday party last week. But it surprises me that you are smoking. As we know, smoking can do great harm to not only smokers but also the people around them.Smoking will reduce vitamin C in our body,making us weaker and cause many diseases.
My father used to be a heavy smoker.Every morning he coughed and coughed before he got up. After he knew the harm of smoking, he was determined to give it up. Now he has got rid of smoking and is in good health.
I really hope you will soon realize the importance of giving up smoking and try your best to give it up.
Yours sincerely,
Tom