Sometimes I just give them a dead stare until they stop talking then carry on with what I was saying, or alternatively “excuse me [optional] Dave, I wasn’t finished.”

Other times it’s not worth the drama, or they might actually be reasonably more excited about what they have to say then listening, in which case fair enough.

The blessing exists. I’m in my 30s and my dad who’s in his 60s has more hair than me.

Or a knife