You've told us you aren't at all active but what do you mean really in saying this - cos you seemed to take an interest when someone posted a link to some chair exercises, but haven't mentioned since then whether you'd even tried any. Plus although it certainly helps when anyone needs to lose weight to take exercise, lots of things people do without them considering it as 'exercise', actually are - housework in all it's many and varied forms, gardening, cleaning a car, sweeping a path, taking the rubbish out to the bin, putting the bins out for the dustbin men .......