I vividly remember the two days years ago when I let go of the saddle on my kids' bikes and all of a sudden they could ride a two-wheeler with no fairy wheels. But I was still jogging behind just for in case.....
I'm pretty sure you remember those days too neksmerj, yet you seem reluctant to let go of your own saddle so to speak.
My advice: try to write the code as I suggested a few posts ago, to get (and this is merely a suggestion) one or other led on when a switch is pressed or not. Post it here by all means for comment, but the time has come where you have to do that.
I'm ploughing through as many tutorials as I can find, it seems to be the only way to learn.
There's only one way to find out what you have learned, and that's to try a sketch. Right now, you're like Sheldon in TBBT when he said he learned to swim on the floor of the apartment.