I use to be a physical trainer and gym rat working out five hours a day and trained with body builders and power lifters. After, I would scarf down half of a jumbo godfather's pizza by myself but I maintained a nice body. A great number of these people have bad relationships with food and crippling insecurities. I speak from experience. They binge and fail to reach their goals, push their bodies beyond their limits and most suffer with body image issues. They hate what they are afraid of becoming, you know the old saying 'there but for the grace of god go I'. Really how could you expect a different response from someone who struggles daily to keep their body in shape, obsessively, through diet and excercise. Find another trainer or join a Water aerobics class. Interview the trainers and be satisfied with their personalities. You are paying for a service look for someone who has your best interests at heart. Oh, If they watch themselves in the mirror and flex their muscles instead of focusing on you then get rid of them.
If you can don't go to a hard core or commercial gym - look for a trainer at a hospital owned or operated gym you will find a differnt class of trainers.