>>46893761Gallade and Gardevoir are reproducing the "Amorphous" way, the way a Human and Gardevoir would reproduce would be closer if not the same as how a Machoke and Gardevoir would reproduce, aka the "Human-Like" way. If you want to melt her heart metaphorically then yeah you could do that, the same way you can do it with a human.
By holding her hand, looking into her eyes, and sweetly telling her "I love you". 