'I have to take special care of me' vs 'I have to take special care of mine'

[Tom]

Hi

Could you please tell me which one of the following sentences is correct and natural? If someone is suffering from something, say 'damaged kidney', how would he explain the situation to a friend?

1- In this regard (kidney problem),I have to take special care of me.
2- In this regard, I have to take special care of mine.

Tom

[Pamela]

What about this, Tom?

In this connection, I have to take special care of myself

[Yankee]

Hi Tom

You could use 'mine' only if it clearly refers back to 'my kidneys' (in the previous sentence).

[Tom]

[Alan]

Hi Tom,

It's got to be reflexive I ..... myself.

A
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[Tom]