Is it wrong for a 32 year old man to have a 16 year old female internet friend?

This is my situation with a British girl I have been talking to a lot on Twitter.
We talk about politics and culture along with various other things.
I only found out she was 16 recently.

She said she enjoys talking with me because it makes her feel good and it helps her though health problems she has.
Is it wrong for a 32 year old man to have a 16 year old female internet friend?
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