Answer:
While you were folding a letter you got me. Usually you will do whatever it takes to avoid me but now you can't help but find me.
Angels and pilots work with me.
What has 13 hearts but no other organs?
I have branches but no fruit trunk or leaves. What am I?
I wonβt break if you throw me off from the highest building but I will break if you place me in the ocean.
Forward Iβm heavy, but backwards Iβm not.