One very important aspect of entrepreneurship is perseverance; unwavering dedication to the cause is needed because day-in and day-out one gets to meet several different people with varying attitudes towards businesses and their risks & return.
You need to learn and remember very early in the game that despite listening to everyone else, you always need to decide and do what you find satisfying and correct. With this kind of determination, the path would be easier to cross and interesting to go through.