1. If I didn't wear a school uniform, then I would be happy every day.
2. If I didn't wear a school uniform, I would be happy every day.
(Which one is correct? Are both OK? Which one is popular? What is the difference between the two sentences because of 'then'? Thank you.)
1 answer
Both are OK and both are commonly used. Even if the word "then" is not there, it's implied -- because of "if."