A sponsor isn't doing their job if they aren't irritating you on a regular basis. This might be because they're harping at you about getting together to work the Steps for your first time, or it might be because they insist upon pointing out certain annoying facts, such as, "Isn't that the twelfth job you've had this year?"
Don't pick a sponsor who reminds you of a family member. Ditto for accepting a sponsee. I did that once, and found myself gritting my teeth when she'd use the same phrases which made steam erupt from my ears when I heard them issuing from the alcholic's lips. It's good to have a little detachment in this relationship.
Be willing to listen, if you want to learn. Allow yourself to be teachable.
Remember how afraid you were, when you were very new. Be as kind and loving as you are able - dish out love in great heaping armfuls. Be willing to repeat yourself endlessly without getting angry if the message isn't getting through - it took you a while, didn't it? Make them laugh. Laughter helped me to swallow some difficult realisations about myself, when I was working with my first sponsor.
Pray to be a conduit for their Higher Power. Read the books so you can say, "Courage to Change has a great reading on that," and find it to show them. They're going to need that reading some night when it's too late to call anyone, and they can't find their way alone.
Open yourself to the wisdom of humility.