The context of the following conversation is Alex didnt bother looking after themselves, they drank too much, ate takeaways everday and drank beer every night.  Unsuprisingly Alex had a heart attack aged 45.:
Alex says I've always loved to drink a lot..
The friend responds yeah I know, you had a heart attack and you are lucky to be alive..
Alex responds sometimes you just have to live life..
The friend responds you really need to stop this sort of behavior, the doctor said you might only have a few years to live..
Alex responds That might actually be true, I had a heart attack when I was 45 already..
The friend responds I am warning you Alex, if you don't take this type of life warning seriously, you are totally going to suffer the consequences and they are  for sure not going to be pretty at all..