Punctuation

It's there for a reason. Use it! Especially when reading out loud. And in case you need a little clarification:

pe·ri·od

n.

10. A punctuation mark ( . ) indicating a full stop, placed at the end of declarative sentences and other statements thought to be complete, and after many abbreviations.

com·ma

n.

1. Grammar A punctuation mark ( , ) used to indicate a separation of ideas or of elements within the structure of a sentence