Thank you for your thoughts! Rhyming can be difficult for me because I tend to lean toward free verse, but I have a friend that always writes in the abab form and I was inspired and challenged by him. As for the punctuation, sometimes I prefer to leave it out to create a sense of less formality. I think it can attribute to a more "whimsical" mood -- if that's the right word. I realize that some people prefer more precise punctuation though.