In this song he is talking about being with his girlfriend and how no matter what kind of day he is having good or bad she will always make it better. then in this line "It used to be that I just had to fake it all my life." he is saying that before every other girlfriend he had he could never be himself but with her he is free and can be who he really is.
In this song he is talking about being with his girlfriend and how no matter what kind of day he is having good or bad she will always make it better. then in this line "It used to be that I just had to fake it all my life." he is saying that before every other girlfriend he had he could never be himself but with her he is free and can be who he really is.