I almost got into a car accident someone please help me cope with it?

i had the green, but the moron decided to want to turn left as i go straight it is rainy outside so i swerved to the right, (there was a car turning right in that lane so i swerved to the left and i ended up in the oposite lane! i do not have insuranc eon my car!! i was so SCARED!!! andvice on how to get cheap insurance!! so incase this happens and i really crash i wont be screwed over! i am a 17 female driving a 1997 for explorer