Why are grandpas so crazy?

Grandpas often exhibit quirky behavior due to a combination of generational differences, a playful spirit, and the freedom that comes with retirement. Having lived through various life experiences, they may feel more comfortable expressing their true selves without the constraints of societal expectations. Their eccentricity can also stem from a desire to entertain and connect with younger family members, often resulting in fun and memorable moments. Ultimately, their "craziness" is often a reflection of their unique personalities and the wisdom they've gained over the years.