What's really at risk beyond succumbing to the "social predator"? Say "strait laced" grandpa throws on grandma's frilly dress for the first time and goes for a

What's really at risk beyond succumbing to the "social predator"? Say "strait laced" grandpa throws on grandma's frilly dress for the first time and goes for a stroll down the street. It doesn't cost anything and, for the sake of discussion, isn't anything he wouldn't otherwise do in his own clothing. The only risk is that his social contacts start to cut him out of their life for his actions (i.e. social predators).