Guess the missing word in the sentence: 

She had a lot of ___, so she was always able to take on new challenges.
She had a lot of courage, so she was always able to take on new challenges.
Complete the following task based on the instruction and optional input provided.### Instruction:
Guess the missing word in the sentence: 

She had a lot of ___, so she was always able to take on new challenges.

### Output:
She had a lot of courage, so she was always able to take on new challenges.