The article explores how approval voting affects political competition with candidates entering the race based on voter behavior. It introduces the concept of "relative sincerity" in voting and shows that approval voting tends to produce outcomes close to the preferences of the average voter. In a simple model, approval voting typically results in outcomes near the middle ground. Additionally, approval voting can lead to only two winning positions, following Duverger's Law. However, in more complex scenarios, approval voting may face similar issues as the plurality rule, such as non-majoritarian outcomes and the presence of spoiler candidates.