Excuse me ! Meteorologists

Being a nature lover, I am very interested in the knowledge of Meteorology. But, when I went for my ab-initio course in Aviation subjects, Meteorology was the least liked by all students. Our instructor, Mr.Bains, was a bore ! Once before he came into the class, I wrote on the board:
Mr. Bains is a pain down your spine
All he teaches go in vain
Like a cloud and passing rain.
But to my surprise, Mr.Bains did not take offence to this writing. Instead, he smiled at us and said, ' this is a good one'
Ramani