can someone tell me why i cry for no reason ill just be chillin then i think of sum and ill start cryin. why?

There are a lot of reasons.

Explanation:

You could possibly be stressed, stress can cause your emotions to heighten and can lead you to cry because you can't handle everything that is going on in your life at the moment. You could also be depressed, as that can lead to crying for no apparent reason. Your hormones could also be out of order and be causing you to feel emotions that don't exactly make sense or emotions that are over exaggerated.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.