Add punctuation: Parents are usually concerned about their childrens health and safety Caring is lifelong until at some point the roles are reversed
A: Parents are usually concerned about their children's health and safety. Caring is life-long, until at some point the roles are reversed.

Add punctuation: This scuba diving course is focused on giving you more experience with scuba diving under various conditions depths and the use of new equipment such as a diving computer
A: This scuba diving course is focused on giving you more experience with scuba diving under various conditions, depths and the use of new equipment such as a diving computer.

Add punctuation: Save 10 off everything in the store during July
A:
Save 10% off everything in the store during July!