na na na na na la la la la la la la la la la la la la la la la la la oh oh it s not that serious i never put that much thought into us it wasn t that i loved you i was curious who did you think that you were involved with now baby you should know it s not that serious how could you tell me that you love me when i knew you were just tryna play me but you re the fool because i know how to switch the game up on you and in the end i know who will lose i played this game before and i can t play no more what do you take me for it s not what you thought so don t play games with me cause i came to teach and if you want to cheat it won t be with me  it s not that serious i never put that much thought into us it wasn t that i loved you i was curious who did you think that you were involved with now baby you should know it s not that serious it should concern you that i m always one step ahead of you so that should let you know that what you do i have done before it s nothing new so run those games on someone who can t be fooled i can almost see lies coming through your teeth in every word you speak you make it clear to me that you re playing wrong and your game ain t strong i ve been in this too long so just be moving on it s not that serious i never put that much thought into us it wasn t that i loved you i was curious who did you think that you were involved with now baby you should know it s not that serious i never put that much thought into us it wasn t that i loved you i was curious who did you think that you were involved with now baby you should know it s not that serious tu me haces reir todas las veces que tu creias que yo no sabia que tu estabas haciendo tu sabes que yo ha sido todo eso antes al final tu eres el perdia no jueges conmigo don t play games with my heart i will let you go before you start it s not that serious i never put that much thought into us it wasn t that i loved you i was curious who did you think that you were involved with now baby you should know it s not that serious i never put that much thought into us it wasn t that i loved you i was curious who did you think that you were involved with now baby you should know it s not that serious1