Hi dee2-
Well, it may feel like you can't think straight, but it sounds like you've actually got quite a good insight already:
dee2 wrote:
I am at the clingy/hate stage.
That you are even
able to see this as a stage in a process is good!
Being able to step out of your feelings for a minute and look at them, analyze them, classify them, is the first step to getting off the rollercoaster of just riding them

What does the process look like? How many times have you been through it?