Commas are tricky little things, much-maligned by people who dont understand them, often abused and used to death by people who love em but just dont quite know what to do with them. Here to rescue you from comma splice hell (and perhaps nudge you away from that dreaded comma-phobia) is a quick users guide to commas and how to use them.
First, heres a handy list of what commas can do:
1.) Separate items in a list.
The list can be as simple as a grocery list (he bought eggs, milk, cheese, bread, and ramen) or as fancy as a list of actions (he dodged the bullet, whirled around, pulled his gun from its holster and fired back).
2.) Combine two or more sentences with a conjunction.
Conjunctions are words like if, and, or, but, etc (he narrowly missed the deer, but swerved into a tree). You *cannot* combine two or more sentences with a comma and no co