Sharing datas with friends

Hello everyone. I have a question about sharing datas with your friends in Garmin.
I want my girlfriend to be able to see my health data (sleep, heart rate, HRV, ) and vice versa.
How is it possible to see and share it ?
Thank you in advance

PS : I don't think it has an impact but I have a Forerunner 255 S Music and she has a Venu SQ