Bangchan:
~honestly would handle the situation well since he has a sister and probably has dealt with her while she's had hers
~not to mention he would do research to see what you would need
~buys you pads or tampons, if you need them
~gives you space if you want it
~buys you any food you want.
~cuddles and rubs your stomach to help with cramps
~can handle mood swings
~has an app on his phone telling him when it's supposed to start
Minho:
~doesn't like to buy pads for you but does it anyway
~would give you attitude right back
~but would stop as soon as he sees you about to cry
~doesn't know what to do when the mood swings happen
~calls his mom for advice
Changbin
~he has an older sister so I think he would kinda know what to do
~does aegyo to cheer you up
~then gets confused when you throw a pillow at him because you just want to take a nap
~cuddles you until you start to cramp a lot
~gets a heating pad for you
~lets you be afterwards because he doesn't want you to kill him