When he goes to the coast he can claim it was sharks that ate him
And.....the sharks were acting that way due to climate change.
There is a Kurt Vonnegut short story Bagombo Snuff Box. A man regales family and friends with stories about his adventurous exploits including how he brought back as a souvenir the Bangombo Snuff Box on the mantle after a dangerous escape.
The narrator later lifts up the box and sees a shop label and manufacturer on the bottom. Knows the brags were all false.
Biden’s tall tales are like that.