Second-hand anticipation

noun
Also known as SHA;
• a state of mental or emotional excitement occurring when someone is going to try something you love for the first time
• A form of reminiscence - a fond memory of when you tried something for the first time with an inability to experience that feeling ever again

Y: Have you tried using a vibrator during sex?

A: No I haven't

Y: Broooo I have so much second-hand anticipation right now