"Thought I Was" is a song about love and the mistakes that can be made in relationships. The lyrics describe the singer's experiences with three different loves and how each one blinded him to their faults. Despite being hurt by these relationships, the singer still longs for the feeling of being in love and wonders if he will ever find it again. In the first verse, the singer meets someone who he believes is perfect for him and he tells her she can stay. However, she eventually leaves and he realizes that he was living up to her expectations rather than being true to himself. In the chorus, he sings that he thought he was in love with her, though in hindsight he realizes he was misguided. In the second verse, the singer tries to be more cautious in his next relationship, but still ends up blinded by love. He falls for someone who is not right for him and once again realizes that he was not seeing things clearly. The chorus repeats, with the singer questioning whether the other person was truly in love or if it was all a mistake. In the final verse, the singer is hesitant to start a new relationship, but still longs for love. He realizes that he needs to be with someone who will give as much as they receive, rather than constantly taking from him. The song ends on a melancholy note, with the singer lamenting that he thought he was in love, but may never find it again.
