Which sounds better

I'd consider simply
interested
very interested

I will consider it but if you had to choose one of the two, which one? TY.

Dear Alex, I'm sorry your daughter has been diagnosed with leukemia. I'm sincerely interested in her recovery. My good friend Dr. Kingston is a world-famous specialist in childhood leukemia. Would you like me to ask him to call you?

Dear Mary, I heard that your new book is ready to publish. I'm genuinely interested in reviewing it for the New York Times. Would you send me a

Great, thank you for that example. I'll be using genuinely.