Just look yourself in the mirror every morning and ask yourself: ‘If today were the last day of your life, would you want to do what Iyou are going to do today?’ And whenever the answer has been ‘No’ for too many days in a row, you should know that time has come to call it quits and undertake a change.
The above act was done every day by none other famous Apple man Mr Steve Jobs; but a lst word of advice is that don't be so aggressive in your approach that you get kicked out of your own company like Steve Jobs was kicked out and later on reinstated as every one may not have the same kind of luck as luck also plays an important role in your becoming a success in life. Check Steve Jobs Biggest Mistake in Life here.