Because - whether you think the compliment is true or not - it IS kind of someone to notice a good thing about you and tell you about it.
Ntiyiso wa mhaka: Ku nga khathariseki leswaku munhu loyi a hangalasaka rihlevo ha wena i munghana wa wena lonkulu kumbe e-e, a swi tsakisi ku tiva leswaku vanhu van'wana va ku vulavula ku biha.