Whatever you are building — a business, a new career, a new version of yourself — it is harder than you thought it would be. This is almost universal. The gap between the imagined version of a challenge and the actual experience of it is almost always larger than expected.
This is not a failure of planning or a sign that you underestimated the difficulty. It is simply the nature of real things. Real things are more complicated than the imagined versions of them. They have more moving parts, more unexpected obstacles, more resistance from the world and from yourself. This is what makes them real.
The fact that it's harder than you expected is not evidence that you were wrong to begin. It is evidence that you are in the middle of something genuine. Easy things don't surprise you with their difficulty. The things that matter do.
The question is not whether it will be hard. It will. The question is what you do when it's harder than expected. Do you take it as proof that you were wrong? Or do you take it as information — adjust, learn, and keep going with more knowledge than you had before?
The answer to that question, repeated over and over across months and years, is the single thing that most determines the outcome.