If I Was A Super-Hero

"Yes, what do you say we form a team? Together with your strength and my ability to erase minds, we could get away with just about anything. We could rob banks, we could have all the money we wanted. And you would never get in trouble."
Her offer is tempting. But how do you know you can trust her? She could also erase your mind and lie to you. Who knows what other powers she has? And maybe this was a mistake, maybe you want to be good from this point on.