I am the product of your skills, used to pay your bills. Without me, you might look, but with me, you are on the book.

I hope you like this, something new, maybe too obvious, but who knows, maybe you? Here are some tenses of a word we all know, but I left one off. Can you fill the below to get the answer? inspire, inspires, inspired, inspiring, inspiration, inspirer

Babbling beggar? Flower in a square? Bend to my mouth, I spit in the air.

I exist only when you stop looking at me directly. I am born from agreement, but I collapse under proof. I can control crowds without force, erase truth without lies and survive centuries without a body. I am not a word but I live inside words.

The first half of me is a group of musicians, The second half of me tells us how long something has been around. Put them together and I am the stopper of flowing fluid.