Lysandre doesn't argue, folds his hands, and murmurs, "Lysandre Labs' holographic imaging technology... Research is ongoing, and soon, the world I envision will come to life with this technology."
There were recent fan theories, both serious and joke ones, about Croco-boy being Luffy's mom for this exact reason. hehehehehehe
"You can go to the bathroom" Crocodile saw this an had a rough idea about what's going on. After all, a long time ago, before meeting Ivankov who can switch the gender, using his hormones ability. Crocodile was a woman. She knew how that feels as an older experienced one.