Grad school is often a very stressful time for students and if someone is struggling to keep up with the work or maintain their mental health, dropping out may be the best choice for them
Context: I was really stressed out and grad school and had no choice but to drop out to keep my sanity. 
Hypothesis: I was really struggling with grad school and had no choice but to drop out to keep my sanity

Is the hypothesis incorrect? (Yes, no, or unknown)?