The banker does not seem to be aware of how he is not investing his money into the proper exchanges. It seems that he over estimates how desired the product might be. If he took time and did his research he might be able to propose a worthy investment that will give him a much needed profit.
Answer:
Sometimes just letting the bad things happen can lead to better things or better times. Hence, the rain being the bad thing, later there might be a rainbow or flowers.
Grit is a material used on roads