Not to be friends? (sounds better like this: to not be friends?)
Please, rant, and do explain, = Please rant; and do explain,
Because my tears are falling like a thunderstorm's rain. = Because my tears fall just like rain...
This poem is pretty good. Short and i think you could have made it much better by making it longer. You did do a good job however with the syllabication, but still you need to find a rythm...