Is "it" necessary in this sentence? Could you explain this sentence grammatically?
Native speaker’s answer
Rebecca
The phrase "I make it my business" is an idiom that means "I put a lot of effort into". This idiom is used to say that you put a lot of effort into doing something because you think it's important. For example, here he is saying that he puts a lot of effort into ("makes it his business") knowing about people who are bald ("them"). Here are some examples that use the idiom "I make it my business": Ex: I make it my business to know all of the names of my students. Ex: She makes it her business to make sure her employees are happy. Ex: He makes it his business to manage his money well.