Is Richard Cory selfish in the poem by Edwin Arlington Robinson?

"Richard Cory" is a narrative poem written by Edwin Arlington Robinson. It was first published in 1897, as part of The Children of the Night, having been completed in July of that year; and it remains one of Robinson's most popular and anthologized poems. The poem describes a person who is wealthy, well educated, mannerly, and admired by the people in his town. Despite all this, he takes his own life.