Why Do People think that PUBLIc DIsplay of AFFEction Is BAD?

i Dnt hv ny Clue dat y People Dislike PDA....i jus dnt GEt it...wats so DISgusting about it?? Evn my Gff thnks dat it is Vry BAd n CHEAp.....so Wat do u ppl THnk?? a llil Kiss n Holdng HAnds n da STreet is BAD??