Travis Kelce's still trying to figure out how he got himself into America's favorite relationship with Taylor Swift ... joking this week, "I don't know how the f*** I did it!!"
The Kansas City Chiefs superstar opened up on his romance with the world's biggest popstar while chatting with Lil Dicky on the latest episode of "New Heights" -- after the rapper had gushed about how much he loves the famous couple.
Dicky -- real name Dave Burd -- said he felt the 'ship was "so American" .