Second Chance Romance in Anthology…Help!!

Girl cheats on boyfriend. He breaks up with her. Years later she’s been in an accident of some sort, regrets losing guy and has changed as a person. She’s some kind of interior decorator? She gets commissioned to redecorate the apartment of a woman’s boyfriend while he’s out of town. She finds out it’s her ex. She ends up writing her regrets and love for him on his walls and then wallpapering over them so he won’t see them. Happy ending. What’s it called?!!?