But she hasn't given me a reason why it must be two years. I don't intend to date until the divorce is final. Scott Scott, you are right to be suspicious of one size fits all. You can't wrap your mind around it. Common sense won't let you.
Some people coming out of long dead marriages are ready to date immediately.
Other people aren't ready or capable of being successfully involved even a decade later. Become a student of great relationships. Look for those couples who have a strong connection to each other. Form a model in your head. This is what you are looking for.