Why is Alyssa Chia different from Ruby Lin?

Alyssa Chia and Ruby Lin are different because of Sun Zhihao. Alyssa Chia and Ruby Lin were divided over the infidelity of Alyssa Chia's ex-husband Sun Zhihao, which led to the deterioration of their relationship. Sun Zhihao's double-pedalling led to the breakdown of their relationship, which ended in mutual loss. Although both of them have found their own happiness now, the sisterhood has completely broken down and it is impossible to be on the same stage. Therefore, Alyssa Chia and Ruby Lin are different because of Sun Zhihao.