I would try to slow down if I were you and take one day at a time. I'm sure he will be understanding. You want know if things change until you try it. Just worry about getting to the first appointment and then after that worry about the next.
I'm bad about doing those "what if" statements myself and I have to remind myself to take it one step at a time.
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Bipolar I, Depression, GAD Meds: Zoloft, Zyprexa, Ritalin
"Each morning we are born again. What we do today is what matters most." -Buddha