they need in their life in order to be complete.
yes, it may be sad for one or even both partners, but this is the nature of things, especially if you are just starting out in life.
you need to go through necessary steps in order to be complete and it may take one, or it may take several, soul mates to help you with this, but every last one of them that come into your life are important, and necessary.
my advice is to: live, love, learn. live to your highest expectations, love like there is no tomorrow and learn what each soul mate that enters into your life is meant to 