What happens when you stop using your google account? This when Google Inactive Account Manager comes in to picture.
You can mention your trusted contact to whom your access to google account will be hand over with minimum of 3 months to 18 months, which you can set as per your need. This can be used in the same sense as your Will. In which all your emails, photos, contacts etc will be handed over to your trusted contact. You can then download full data of the person from google.
You can also set auto delete your account if not in used for similar period.