Paragraph- Sent 1: Sara wanted to play on a baseball team.
Sent 2: She had never tried to swing a bat and hit a baseball before.
Sent 3: Her Dad gave her a bat and together they went to the park to practice.
Sent 4: Sara wondered if she could hit a ball.
Sent 5: She wasn't sure if she would be any good.
Sent 6: She really wanted to play on a team and wear a real uniform.
Sent 7: She couldn't wait to get to the park and test out her bat.
Sent 8: When Sara and her Dad reached the park, Sara grabbed the bat and stood a few steps away from her Dad.
Sent 9: Sara waited as her Dad pitched the ball to her.
Sent 10: Her heart was beating fast.
Sent 11: She missed the first few pitches.
Sent 12: She felt like quitting but kept trying.
Sent 13: Soon she was hitting the ball very far.
Sent 14: She was very happy and she couldn't wait to sign up for a real team.
Sent 15: Her Dad was very proud of her for not giving up. 
Question: Why was Sara's dad proud of her for not giving up?
Why was sara's dad proud of her?