... must be one of the hardest things on earth ... of course, not in the real sense, as it is "avoidable" (ie. you don't have to do it, unlike exams, tax returns forms, making decisions about life, belief, parting with/from those you love ...). There is always the possibility that the other person may take the first step before you do, and thus, involving no action from you.
I am always really puzzled when friends ask you what they should do. The positive side of me always say "go for it, as you don't want any regrets" etc etc. Yet, part of me always feel unsure ...
Some of us live in reality, whereas the rest of us live in the "what if" dreams ...