The final season of 13 Reasons Why was a bittersweet conclusion for the students of Liberty High, but at least Alex finally got the happy ending he deserved.. FYI: There are many, many spoilers ahead so if you haven’t finished the series, don’t read on. Alex and Charlie - Falling in love (13 Reasons Why) - YouTube Alex and Charlie - Back To You (Season 4 from 13 Reasons Why) Charlie is one of 13 Reasons Why's most uplifting characters and his love for Alex is one of the purer things that have happened on the show.