Could Carlos be the reason for Liz's unhappiness?

Another 5-Star Review for Love's Sweetest Truth, Book 3 in the Castle in the Sun romantic-suspense series.

I followed the series and this third book was as good as the previous two. I liked how the characters evolved to be and I liked how the story got more complicated and now Carlos is the one who might be the reason for Liz's unhappiness. I don't like giving spoilers, so yet again I will not do it. I'm truly glad I read this series and one more time - I highly recommend it! ★★★★★

https://www.reviewsfall.com/authors/flora-reigada