I AM INSECURE

i never gain weight at all. people usually when stressed or eat too much gain weight, but ulta when i am stressed, i suddenly lose weight. it is making me insecure, because i see a loss of my boobs too. i already have little boobs and they further disappear when i am stressed making me look very flat. god why am i like this ? i am genuinely wanting some boobs, i am ungirly.