Why did you start a PhD?

I know this question has been asked before many times but wanted some more details of the people's background...

I want honest, no bullshit answers that you'd give at an interview.

1. Country: US
2. Field/Major: Pharmaceutical Sciences
3. Prior job experience: Pharmacist
4. The Why: I hated pharmacy, R&D in pharmas require the credentials, I actually enjoy research.
5. Post-PhD plans (Industry, Academia, Regulatory, Others): Industry
   1. Has this changed since the start? No
6. Is a PhD "highly encouraged" to get a job in your field? Yes