你同她explain, and hope 她will 原諒你la,
要送小gift to her,
have a romantic dinner with her, walk in beach(at night/evening (6:00p.m), and ask her to marry u, just in case if her didn;t forgive u lor,...
u must promised her not to do that 掛住同朋友去玩忽略左女友 again...
remember to do that, otherwise, she will never love u again