Keep a little bit of your loved one with you at all times. This would be an implant which has some external visual element which synchronized the heart beat between two humans. I imagine it as a progression of the wedding ring.
RFID enabled name tagging for those that are horrible at remembering names. just casually swipe your phone next to the chip and receive the other user’s name on your screen. Beats asking awkwardly what their name is because you don’t remember.