What would you suggest to help me lose man boobs and a big belly?

Lose weight exercise: By losing weight, it is likely that you will experience a decrease in the size of your belly and breast fat. However the breast tissue may persist and may best be treated via surgical resection of the true breast tissue and reduction o the fatty components using suction assisted lipectomy, ultrasonic assisted lipo plasty or power assisted liposuction.

Old fashioned: Diet and exercise, for weight loss. If that doesn't work quick enough for your tummy, you might consider coolsculpting.