Question

how was einstein private life unravelling while he was solving difficult problem of physic

Answer 1

Einstein's private life was a failure. Mileva was an unhappy house wife. Einstein and Mileva had many arguments. At last in 1919, they divorced. In the same year, Einstein married his cousin Elsa.

Answer 2

Hence Einstein was a genius but he was not good at his personal life. After his first marrige he was just developing his ideas while her wife,Meliva Maric, who were also an intelligent was only taking care of home.So her wife got upset with her marriage even he and his wife fought sometimes.And finally got divorced in 1919.