Looking after yourself is exactly that you are not relying on anyone else to make sure you are fed on time and fed well, washed and ready to go, comfortable, tidy, healthy and let out regularly for your walk.
It's great being a grown up . You get to stay up all night partying if you want to, but you can also choose to take care of yourself if you want to.
You now on your own, look after yourself. You are now your own boss, if you are sick wait for no one else to look after you.
You need no one to tell you to take loads of exercise, eat vegetables, go to bed early and others.
No one is going to stand behind you anymore and make sure you've washed behind your ears, brush your teeth or check if your shoes are polished.
You're a grown up and on your own now and you have all the responsibility too.
You have to be responsible now and do away with all the childish behavior. Stop behaving like a little kid who still feed on mummy's milk, look after yourself now.
Being grown up doesn't mean one is matured. Nice article pal