Answer:
My second is performed by my first, and it is thought a thief by the marks of my whole might be caught.
I have joy in bringing two together, but darning my existence! My life hangs by a thread, filled with ups, downs and resistance!
I cannot be felt, seen or touched; Yet I can be found in everybody; My existence is always in debate; Yet there is a style of music named after me.
What occurs four times in every week, twice in every month, only once in a year but never in a day?
A small hill with seven holes.
What is always coming but never arrives?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?