 It 's Better If You Don 't Understand received generally rave reviews from music critics – AllMusic 's David Jeffres praised the album as showcasing Mars ' songwriting abilities and a genre that " leans towards " pop , while About.com 's Bill Lamb viewed the EP positively as " music that should be on your radio " , calling it a " pop pleasure " . All of the songs from It 's Better If You Don 't Understand were later included on Mars ' debut studio album , Doo @-@ Wops & Hooligans ( 2010 ) , and , with the exception of " Somewhere in Brooklyn " , were performed on the tour of the same name . The EP peaked at number 99 on the Billboard 200 in the United States , and at number 97 on the UK Albums Chart . As of 2011 , it has sold 27 @,@ 000 copies in the US . " The Other Side " peaked on the UK Singles Charts at number 117 . In an interview , with Los Angeles Times , Mars ' admitted he regrets to have " wasted " the title of this record . 
