Unlike many FB games in Farm Heroes Saga you can store extra lives in your message box. When you open the game you will see all your requests as in the image below.
Just claim 5 lives and scroll through the rest of your requests to send lives and tickets to your friends. When you have done that click on the X as shown to close the messages containing just your extra lives. When you have used up your 5 lives, simply open your message box as shown below and claim 5 more lives.
Close again and repeat until you have none left.
When your message box is empty refresh the game and with luck there'll be more requests waiting!
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