If the vaccine can't keep you from getting it from someone who didn't take it, then what's the point of the vaccine? It either does the job or it doesn't.

Exactly.

and experts disagreeing over what works and what doesn't

I refer to this often as the dueling experts. Which gets even more confusing once you see money trails for motivations behind the paymasters of the scientists.

but my own wife, with the added pressure because of the grandchildren.

Yeah, the divide they will be demanding if they march forward with mandates will rip apart the closest of relationships. My condolences and hope you can find a middle ground. No way can they know if something so hastily produced can be safe, and this is knowledge even the pro vaccination would cite as science.

Appreciate your weighing in and kind words.