You would be miserable if you had to go through life with a...

You would be miserable if you had to go through life with a human doormat with 'Welcome' written on him. You want some one made of sterner stuff. You want, as it were, a sparring-partner, some one with whom you can quarrel happily with the certain knowledge that he will not curl up in a ball for you to kick, but will be there with the return wallop.