Q: In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to determine which two sentences need to be swapped sentences in order to make a story that makes complete sense and is befittingly titled. Indicate your answer using the numbers of the two sentences in order, such as '34' or '25'. The first digit refers to the sentence which should come first in the story.
Title: Thinking. Sentence 1: I no longer overthink things anymore, usually! Sentence 2: A lot of people tell me it's a bad habit to have so I tried to fix it. Sentence 3: I went to a therapist and talked to them for a bit. Sentence 4: Finally I was able to fix my issue after much talking. Sentence 5: I tend to overthink quite a bit.
A:
51