You should have stood up real fast and yelled “HE TOUCHED ME> PERVERT KEEP YOUR HANDS TO YOUR SELF” then sprayed him with mace and kicked him in the groin.
And that is why I dont ride mass transit.....buses are a cross between drunktanks and public bathrooms.
I’m not going to assault an 80-year old man for being irritating, and then lie about it. I hope you wouldn’t really either.