fool (one or oneself) into (something)
To use deception or trickery to compel someone or oneself to do something. I can't believe that guy fooled me into giving him money—what a scam. The more Lucy tries to fool herself into believing she's happy in her marriage, the more miserable she becomes.
fool someone into something
to deceive someone or oneself into doing something. You'll never fool me into believing you. We fooled the boss into giving us all the day off.