hi, i m 27 years old ,male, with only 50kg weight, i found no change inmyself from lastfive years,same weight,same size,same energy...y so sir? further i feel slight pain in my stomach twice in a month, and sme timezstrange viberations from my intestines, i m very quick to sleep, most important i m very sensitive, and always thinking, i m a student doing PG.. i never find a reson to b happy, like to b alone,also in love sincelast 4years..i dont find any thing interested...plz help