A very difficult painting medium to master — but who said you had to master it? Spend time with the water and the pigment, don’t treat it like you would oils or acrylics or anything else. It’s very meditative. Don’t worry about it being good! Just create!
You should roleplay that the both of you are photographers and every 5 seconds you go “wow what a shot, isn’t that amazing” and your date goes “that’s going on the journal in’it” or you could roleplay your British