Great question! This one really got me thinking, here it goes.

For your upcoming birthday, you ask your parents to buy you a Lego 1989 Batmobile.
The day finally arrives, and you are presented with a wrapped package, but they don't tell you what's inside. It is a surprise.

Your excitement rises, but before you get your hopes up - you examine the package.
Judging by the shape and size of the package, it matches the size of the 3306 piece box for the Lego 1989 Batmobile. Smoke test 1 passed.

You take the present in your hand and feel its weight. Its not too heavy, not too light. Just about right for a box of Legos. Smoke test 2, passed.

You decide to give it one final test before calling it. You shake the box and hear the familiar sound of Legos inside. Smoke test 3, passed!

Now you are fairly confident that the present is some kind of Lego, but you cannot really be sure if it is the Batmobile, so you start with user acceptance testing, unwrapping the present and validating the contents of the box.

Had any of the smoke tests failed, you would have immediately known that the present is not what you asked for, without investing time in detailed testing.

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Three things:
a)Don't be like the rabbit from The Rabbit & The Turtle - moral story. If you are good at something, that doesn't mean that you should work little, on the contrary, you should work harder than anyone. Discipline beats talent. Just because right now the people in your environment are not competition for you. It doesn't mean that there is no one better than you.
b)Never tell lies.
c)Always listen to everyone like they know something you don't.

This is well said, and I think you've got a great attitude about the "wall" we can sometimes run into while learning. Often just taking a step back (sometimes literally, breaks are good for you!) can give you some perspective. One thing I would encourage is to start tackling projects. Once you have the basics down in learning the front-end, you really only gain comprehension by diving in and trying to make something. Google every little thing if you get stuck, and soon enough the pieces will make a whole lot more sense.

For practice, Free Code Camp, Exercism, and Code Wars are all great options, along with Codecademy's mobile app for little quizlets on the go.

Re learned SQL, and almost learned Python.