Ah, but sweat is not a sign of effectiveness. Sweating just means you're hot; it isn't an indicator of how hard you're working. It's not bad, it's not good... it just is.
You DO need to be strength training to build lean muscle, boost your metabolism, and help the fat you DO have look better. He's right about that much. Core strength (ab training) is important for all the exercise you do. Full-body strength training is critical for a complete fitness program.
I agree that you do not need to be taking diet advice from him. He means well, but your unique medical needs mean that you are at risk from complications. I would talk to a Registered Dietician, and track your calories accurately. Even when eating healthy food, you can overeat, and continue to gain weight. Your medical issues mean that you need to see a doctor, and get clearance for your exercise, as well as a referral for your dietician.
Writer, mother, wife, and breadwinner. I love to run, but running doesn't love me, so I'm switching to my low-impact bike.
I'm not pregnant, just fat: My blog. fatnotpregnant.blogspot.com/
| current weight: 190.6