Mary is normally in a hurry and forgets to bring lunch a lot of the time so she tends to eat fast food a lot but sometimes she'll give Erick a call and let him know.
To which quickly puts his cooking skills to work, lucky for her he watches a lot of cooking videos and can make some pretty fancy dishes. He was told ladies like a man that can cook which encouraged him to practice and get really good at it.
You'll soon notice this to be a trend, Erick is really good at many things because he thought it would impress the ladies and score him a girlfriend. Now that hes dating Mary he gets to use a lot of these skills.