" Mate? … Is that what you mean? Is that what you want me to be?”
“No, that’s not what I want you to be.” She frowned and he corrected, “It’s what you are. Mine. My mate.”
…
Finally, she asked, “Is that shifter lingo for girlfriend?”
He grinned at how perplexed she sounded. “No, angel eyes. It means you’re my other half. The woman I want to spend the rest of my life with. "

― Aline Hunter , Enemy Mine (Alpha and Omega, #2)