Bad to the Bone (Wolf Investigations and Securities Inc. Book 1) by Crystal Dawn

Tyne wants to mate Moe, but his curvy girl resists him at every turn. Their life is complicated enough, but dark forces attack and Moe is in danger.
Moe wants Tyne and they live together. Why can't that be enough for him for now? She knows he's the one, but she wants to live life and see the world before she settles down. When her life is at risk, will she change her mind about what really matters?