Does it make sense to be jealous when her boyfriend has a date with his ex-girlfriend?

Qianqian was born from a poor family, but she worked hard and got a decent job as a so-called superwoman. However, if taking a count, she was almost in her thirties when she finally found a good boyfriend Yu. Qianqian expected it to be a prosperous start, which turned out to be the haunting nightmare…To [...]