Drink night with aunt

Month or so ago aunt called me asking for a ride home she drank to much I’m 43 she’s 66 I picked her up from the bar at 1:30 in the morning yep she was wasted well one thing lead to another she wouldn’t keep her hands off me so had a little fun on way home with a very nice finish. Now since then that’s all I think about and other family I want can I prove it of course I can