I Am 50 Yrs. Young, Gained 20 Lbs. In The

I am 50 yrs. young, gained 20 lbs. in the past year. Started new lifestyle of eating and restarted workout regimen. It has been 2 months of healthy, working out 4 days a week, consume approximately 1 gallon of water, and 3 to 4 atkins protein shakes per day.
SYMTOMS: BLOATING AFTER MEALS, DESTENDED STOMACH, IN FACT I LOOK 3 MONTHS PREGANT.
Unfortunately, I am without without health insurance, and was looking for free advice. Again, i apologize for wasting your time