In fact, Tang Tang is the child of Wen Xin and Lin Duojun, which can be seen from some plots in the TV series: for example, Lin Duojun can't drink soy milk and shrimp, and Tang Tang can't eat these foods. Another point is that the paintings painted by Tang Tang are the same as those painted by Lin Duojun. Later, the personal appraisal results came out, which further confirmed that Tang Tang was the child of Wen Xin and Lin Duojun.

About Wen Xin:

Wen Xin is Lin Duojun's wife. She doesn't like Lin Duojun. She married Lin Duojun for a better life. After I married Lin Duojun, I found that Lin's husband was my first love.

About sugar:

Tang Tang loves her father, Lin Duojun, but Tang Tang's mother, Wen Xin, always wanted Tang Tang to recognize Chen Xiaofei as her father. Fortunately, however, Tang Tang finally lived with her favorite father, Lin Duojun.

About "because love is so beautiful";

Because Love is Beautiful, also known as Happy Life and Angel's Desire, is an inspirational drama about urban love youth directed by Xing Mingke and starring Jiang Yi, Sarah, Hailu, Peng Guanying, Baby Zhang and Lee Tae, which premiered on September 29th, 20 13.

It mainly tells the story that the betrayed heroine rose up to resist and finally found her own happiness. * * * is divided into two parts: the first part is "because love is beautiful" and the second part is "because love has sunny days".