explain to me why an icecream sandwich will not melt if you leave it out for a day but the โbreadโ starts to come off and stick to my hands SECONDS after i start holding it

21yo plural autism, trans girl, professional internet weirdo, late blooming theater kid, video editor, occasional musicker, voice actress in progress, still learning about stuff
emily subsystem will probably be main posters
๐ - goatmily / emily delta
๐ - catmily / emily tau
๐ช - omicron(?)
๐ - josie/piece (@pieceofjosie)
๐ฆ - alex
๐ - soleil
๐ช - marisa (@marisakirisame)
๐ฅ๏ธ - EMI (@exe-cute-able)
and many more...
explain to me why an icecream sandwich will not melt if you leave it out for a day but the โbreadโ starts to come off and stick to my hands SECONDS after i start holding it