If you’ve never been hit in the face, you will have no conception about covering up. If you want to learn a softened reality, go to a boxing gym. Try out just once. Ask them to not hold back. (perhaps humbly request the thicker and more padded, soft gloves.) Find out what happens to your delicate face, fragile opinions and your theories about “doing aikido.”
I can tell you now, THE MAJORITY OF YOU WILL GET POUNDED.
Then go back to your dojo with an improved insight into the nature of fighting.
Go and read the whole thing.