Choose the right grammatical form in each gap to complete the text

It's important to have a hobby. A hobby will help you to spend time nicely, to relax, to switch your brain from [everydays problem|everyday problems|everyday-problems|everydays problems] to something more pleasant. But what to do if you can't decide what your hobby is?

There [are some advices|is some advice|are some advice|is an advice] how to solve this problem. First, try to recall what you were interested in your [child's hood|child hood|child-hood|childhood]. Maybe you could spend hours doing this. Also it might be helpful to know what your [pocketmoney was|pocket money was|pocket money were|pockets money were] spent for. Besides, it might be useful to think about what you can do for hours now, and what makes you forget to eat and to sleep. For sure [the knowledges help|these knowledges help|this knowledge helps|a knowledge helps] you to choose what you are really interested in. I wish you luck!