Upward lines and downward lines from life line shows up and down phase in life
Upward Or Downward Branches From Life Line
You will notice many times that there are some upward and downward lines present on the life line, which indicate good and bad phases in the subject's life.
Generally, downward branches of the life line show health issues, family problems, and unwanted expenses, while upward branches show promotion, success, and happiness in life.