concept of depressed attitude and happiness with sticky notes with several sad faces and a happy face

background depressed happiness attitude concept pattern cartoon diagram sticky yellow office number circle design orange gadget notes faces happy small brand label games pink font text line logo play sad toy art adhesive anger angry background bad black board business communication concept conceptual confidence customer depression difference emoticon emotion excellent experience expression feedback good happy humanity humor icon icons isolated level loneliness man mental mood motivation negative people normal note outline post psychology relationship sad smile smiley sticker