Kuang Liang is actually the flirt type of guys who use her ex as an excuse or motivation to help him carry on with his life he is the type of guys that fall in love easily like you and will keep the feeling deep inside like you also no wonder you 2 are best friendhe is the type whom will only help friends that he think will help him bak only slacking his life working and giving himself mental stress he think he still love her ex because the happy moment he use to have with her is too memoriable maybe thats the reason why he look more mature than you waiting for his dream gal that has already change to another person so as his best friend plz wake him up so that he can have a brigher future