Why was Thena losing her mind?

Could you elaborate on the circumstances surrounding Thena's mental state decline? Was it due to financial pressures related to cryptocurrency investments? Did she suffer from any pre-existing mental health issues that were exacerbated by the volatility of the market? Or was it a result of personal relationships strained by disagreements over cryptocurrency trading strategies? Understanding the root cause of Thena's distress is crucial in providing appropriate support and guidance.