You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Arnold_Schwarzenegger

Context:
He tells that during this time he ran into a friend who told him that he was teaching Transcendental Meditation (TM), which prompted Schwarzenegger to reveal he had been struggling with anxiety for the first time in his life: "Even today, I still benefit from [the year of TM] because I don't merge and bring things together and see everything as one big problem."

Question:
What psychological problem did Schwarzenegger say he struggled with?

anxiety