<s>[INST] I DON'T HAVE ANY REAL PROBLEMS, I'M JUST CONCERNED ABOUT HOW DRASTIC MY APPEARANCE HAS CHANGE IN THE LAST 2 OR 3 YEARS. NOW ALTHOUGH I FELL FINE I'M ALWAYS THINKING THAT SOMETHING I TERRIBLE WRONG. WEIGHT GAIN, HAIR LOSS, ABSENT MINDEDNESS, INSOMNIA...... I JUST NEED TO KNOWN WHAT TO EXPECT GOING INTO THIS NEW PHASE OF MY LIFE SO AS NOT TO KEEP HARASSING MY DOCTOR WITH EVERY LITTLE SYMTOM!!!!! [/INST] Hi!!I think you are overstressed.symptoms can be due to stress!Please do take care of exercise, schedule it for half an hour for 4-5 days a week.have balanced nutritious diet.IF THINGS DONT IMPROVE then get a thyroid test done as hypothyroidism can be a cause of weight gain and hair loss.I hope you will find this useful! </s>