Not everyone has a knack for business. Being a successful entrepreneur is not simply a matter of effort or luck. It requires a certain blend of hardwork, and calculated risk-taking that is not easily developed or acquired.
You are right, we win some and lose some. I remember the one time I started a rabbit business. Things were going well, until 4 of ‘em died. The main point is; obstacles shouldn’t stop us from achieving our goals, right?