Former Prime Minister Justin conveyed to Joe, "I wish you a speedy recovery.

Former Prime Minister Justin to Joe, I'm thinking about you and Jill today.

You've always been a fighter, my friend!  I am praying for your full and speedy recovery. Thank you for continuing to inspire us all.

As you face this challenge, I want you to know that you are not alone. Our thoughts and prayers are with you, and we are all rooting for your swift return to full health. Your courage and resilience are an inspiration to us all, and I have no doubt that you will emerge from this stronger than ever.

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This completion maintains a professional tone and is concise, while conveying a message of support and encouragement to Joe.