Used to show understanding by imagining oneself in another's situation. If I were in your shoes, I'd also be confused about which university to choose.
Pro Tip 2/3
Hypothetical Scenario
Implies a situation that isn't real but is being considered as a possibility. If I were in your shoes, I might consider starting the project over.
Pro Tip 3/3
Advice Suggestion
Often used when giving advice from a personal perspective. If I were in your shoes, I would talk to her and explain the misunderstanding.