What is the main idea and 2-3 thematic ideas for the poem "I'll never forget a dog named beau" By Jimmy Stewart?

1.

The main idea of this poem is to cherish our pets and love them regardless of their mischievous behavior.

1. Explanation:

Written by an American native who happens to be a singer as well named Jimmy Stewart. The poet elaborates on his love for his dog and how much he cared for him. He wrote this poem as a tribute to his deceased pet. It was published in 1989.  

The name of his dog is Beau. He would sleep with the poet and his wife named Gloria. The poet missed him a lot after his death hence, to remember him he wrote this poem.

2.

teenagers are certainly stereotyped as moody.

most people view teenagers as naturally moody and grumpy, even when this is wrong. many teens are suffering from depression but it is brushed off as "just a phase" or "that's just cause they're a teenager"