How can you know that you are 100% over your ex and are ready to start dating again? There is no guidebook to handling breakups, and even if there was, each breakup is unique, and each person handles this emotional experience differently, so there can't be a single solution that works for everybody. With that in mind, I do think that if 10 years after a breakup you are still affected by your ex and what happened between you two, then you should definitely seek help, especially if there is someo…