Set a goal, unique for you, to improve this skill. It might be any of the following:
- "During warm ups, I will hold my breath off the wall on each turn."
- "I will do 10 flip turns without breathing on the first stroke today."
- "I will make a full practice without breathing on the first stroke today."
Go Swim! has a great demo video to watch below.
With enough practice, anyone can perfect this skill.