I'd give 3-3.5 stars. This was an enjoyable read. Because of the genre I don't look for any kind of realism in the timeline/progression of the relationship. I didn't realize it was quite so steamy, but the plot is still there and progresses nicely and I'm interested enough in the other characters to read book 2. I did think the end was wrapped up a little too nicely, almost like she didn't know if it was going to be a series or not, but again, you can't be looking for any sort of realistic timeline - you just have to go with it. 
 I definitely saw similarities to DBD, but it doesn't feel like it's a rip off or copy cat.