Used to happen a lot in the past, it happens a lot less now. It took me a lot of knowledge and failures to adjust my standards. I suggest bernd to read Alasdair Macintyre. This famous quote should explain why he's relevant to this:
>I can only answer the question ‘What am I to do?’ if I can answer the prior question ‘Of what story or stories do I find myself a part?
On the other hand I think daydreaming is basically the standard way of thinking when it comes to politics for those who don't have power. We are called to think about politics and be political, but we don't have power to do what we want. It's unavoidable in modern democratic politics.