What is jason mraz love is a four letter word?

"Love is a Four Letter Word" is the fourth studio album by singer-songwriter Jason Mraz. It was released in April 2012 and features 12 tracks, including the hit singles "I Won't Give Up" and "The Woman I Love". The album has a more folk-inspired sound, with upbeat and optimistic lyrics that focus on love, relationships, and personal growth. Mraz has described the album as a "positive and uplifting" work that reflects his own journey of self-discovery and his love for life. "Love is a Four Letter Word" received positive reviews from critics and reached number 2 on the US Billboard 200 chart.