yes, that's true, they're adults so it's ok and that's also accepted in our country. but i would definitely feel awky if i found my sister/brother with their SO in bed. i know it's natural for lovers to do that but i most definitely do not want to see them in the act hahaha :D
more than a cultural thing, maybe it's my attitude or sensibilities, i dunno really, hahaha. so yeah, it was me who has a problem, not them. ( ̄∇ ̄")
but i won't slap them with a fish like what nanhee's mom did in the previous chapter lol. i'll just talk to them like what their plans are etc. but definitely won't get mad at them, it's their life after all.... it's just thinking about it makes me feel uncomfortable, i wouldn't know how to react :D ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄

they're so cute together and mom is so shocked to see them sleeping together. if i were her mom i wouldn't know how to react to that either