Should i get 2 more guinea pigs?

i really want to get 2 more guinea pigs, now i have 2 males Bambi & Squeaky and i was thinking of getting 2 females NOT TO BREED cuz i have only had 1 female b4 but she died, if i do get them there is no way they can get together (unless someone puts them together but i don't think anyone would) so do u think i should get them? also should i even get females cuz even tho my males with never see them they might fight?