Suuuuuuuuuper late with this question m̶a̶i̶n̶l̶y̶ ̶b̶e̶c̶a̶u̶s̶e̶ ̶i̶t̶ ̶t̶o̶o̶k̶ ̶m̶e̶ ̶a̶ ̶w̶h̶i̶l̶e̶ ̶t̶o̶ ̶f̶o̶r̶m̶u̶l̶a̶t̶e̶ ̶t̶h̶e̶ ̶a̶n̶s̶w̶e̶r̶ ̶f̶o̶r̶ ̶t̶h̶i̶s̶ but Elio doesn't truly recall a "best" nor "worst" date since those things are subjective and they were more like hangouts to keep his close friends/partners company than romantic outings.