trying to make it real

Limiting yourself does not allow you to grow in terms of experience and encouragement. Only stretching yourself over the boundaries can enrich you with the qualities necessary for achievement of success. 

The second major mistake is setting deadlines that are hard to meet. Estimation is a mathematical analysis that very few people have the capacity to do accurately. Some people set very tight deadlines thinking to achieve success quickly. However, they do not realize that tight deadlines are hard to meet and you can easily commit a mistake due to the pressure of meeting deadlines. 

Only stretching yourself over the boundaries can enrich you with the qualities necessary for achievement of success.