recently i had a hearattack and now i have a stem .
i have cut down on food and doing more exercise like walking + running 17km .

i need more advice

doctor tell me to stay in hospital for 4 days i only stayed 1 day
doctor say no walking until 5 week i start walking 2nd week
so far so good
but i want break the record as doctor say he only can give me another 15 years max

i want to try beyond 15 years

so please advice ...

i cannot find any advice in internet and i dont know anyone who had heart attack