Scratch someone’s back

[God]

We are not talking about mosquitoes or itches. When you are scratching somone's back you are helping them out.

From this sense, a lot of people use the expression, 'you scratch my back, and I will scratch your's'. It simply means that they are asking you to help them and that they will help you in retun.

My enemies are now scratching each other's backs. I think I should also find someone who can scratch mine!

Can you form a sentence using this idiom? Let us know below!