Do you?

[N.A.]

Do you? 

Do you ever wonder why
The sun sets and the moon shines?
But you stay the same
Never changing 
Always so dark and sad.

Do you ever think about how
The moon can be just as bright
Even on the darkest night.

Does it ever cross your mind
That maybe you’re not alone 
In this thing called life.

I quite liked this! Really love the questionining and the way it brought the reader to th conclusion. I did see others saying the question mark could be moved, but I think you could take it out completely. You do have it in your title and it just makes the poem look bulkier than needed. Tbh the only line I would really change is "always so dark and sad". It's a bit cliche and basic, think you could change it to, for example, 'stuck in the shadows of pain". Idk that doesn't sound right to me because I don't know the motivation behind that line, but you could just look for synonyms of what you're trying to say and mix it up a bit.