broken promises

Elizabeth and Tyler have been be friends since diapers and they are alw Iays close. when they hit high school they start to develop feeling for one another what happens when Elizabeth need to move to London England before he can ask her outand they promise each other that they will wait for each I'llother before they date anyone another but what happens when Elizabeth breaks that promise and Tyler gets mad and stops contacting
her and then she comes back for England and she's a changed person and Tyler dosent want to forgive her what happens next???