Sentence 1: Mike kept a very messy car. 
 Sentence 3: He was missing his wallet for two days 
 Sentence 4:  Mike decided to clean his car in hopes of finding his wallet 
 Sentence 5:  He was relieved and embarrassed when he found it under all his mess 
 Option 1: One day he couldn't find his wallet anywhere. 
 Option 2: But always kept his wallet in his pocket to be safe.