“After all, the best alibi is not the word of a friend, he knew, but the testimony of an enemy.”
“The phone was her worst enemy and her best friend but she never knew which until she answered it.”
“Your Worst Enemy Could Be Your Best Friend && Your Best Friend Your Worst Enemy”
“I feel like sometimes my best friend is not my best friend but my mortal enemy”
“Best friends make the worst enemies, they know all your secrets and how to hurt you the most.”
“He knew this could turn out to be a very dangerous ploy if it backfired, but he also knew he had his best friend firmly on his side. If nothing else, he knew he could let her take all the blame and she’d do it. He’d owe her majorly — what else were best friends for but blackmail opportunities and owing giant favors, anyway — but she’d do it.”