On a scale of 1-10, how frustrating is the job of being a scientist and discovering new drugs?

Question: On a scale of 1-10, how frustrating is the job of being a scientist and discovering new drugs?
- Keywords:
  discovery,
  drug,
  Frustration
Asked by jump42day to Sudhin, Sergio, Katie, Frances, Diarmuid, Aoife on 19 Nov 2019.
- Katie Fala answered on 19 Nov 2019:
  
  It can go all the way up to a 10 for me personally! But in my experience, persevering through the frustration makes the satisfaction all the better when an experiment finally works, I guess it’s hard to have one without the other.

Question: On a scale of 1-10, how frustrating is the job of being a scientist and discovering new drugs?