Trying to track this one down... Here is what I know.

• Paranormal romance book, featuring werewolves as good guys instead of evil monsters

• Heroine is a werewolf, but not a tough gal

• Heroine has a tough guy following her around trying to protect her; she makes life difficult for him. Sometimes this is by accident

• Tough guy is a werewolf too

• It's a romance, so everyone is super-pretty or studly handsome

• A bit more ... prim than your typical romance. Werewolves are bonded for life with their first werewolf lover, so are often quite chaste

And one line which I (think I) remember; danger is near, heroine takes a look at herself and ruefully says something very like: "I don't know what this body is made for, but fighting ain't it"