Your Kethu is a Benefic with 43% potency and Venus, Sun, Moon, Mars, Saturn and Rahu are all Benefics. So you can expect life to be fairly good with the start of Kethu Mahadasa in mid 2020. Jupiter and Mercury are strong malefics in your horoscope. Read my blog for more insight into astrological evaluations. Your back pain can be cured by following Rao Sir’s advice for about an year. You will get married in 2022 or may be earlier.