take an interest in
take an interest in (someone or something)
To be or become concerned with, curious about, or interested in someone or something. John's really taken an interest photography lately. I'm not sure why the boss has taken such an interest in the intern—she seems to see some great potential in her that I don't. The president has reiterated that the government will not be taking an interest in any foreign country's business in the future unless it is directly related to our own.
take an interest in someone or something
to become concerned or interested in someone or something. Do you take an interest in your children? You should take an interest in everything your child does.