score:6
If you both have:
(1) compatible faith (sama,saddhā),
(2) compatible virtue (sama,silā),
(3) compatible charity (sama,cāgā),
(4) compatible wisdom (sama,pannā).
With the balance of probability, you will be born in the same plane, which increases the chance of meeting again. There is no guarantee through. This will make your current life together effective.
What is desirable is not achieved through wishing or praying, but through action resulting is conducive karma, i.e, convergent, action-based karma from both parties should spontaneously effect reunion:
they are not to be obtained through prayer (ayacana,hetu) or through wishing (patthana,hetu)
all of them are rooted in diligence, converge on diligence,