The significance could be that true love endures through various challenges. It might imply that real love stories have a lasting impact, whether it's the love between family members, friends or romantic partners. They can inspire others and show that love is not just a fleeting emotion but can be a powerful force that remains alive in our memories and in the lives of those affected by it.
It's hard to say for sure. Some people believe in past lives based on personal experiences or spiritual beliefs, but there's no concrete scientific evidence to prove it.