People are allowed to eat foods that make them happy. It's OK.

And in this context: On a worldly scale of foods that may be useful to demonize, eating some leafy greens like lettuce constitutes approximately nothing.

Why do you choose to behave in the way that you demonstrate? What accomplishments do you wish to achieve, here? What sorts of changes might to seek to impart?

You are much more likely to gain weight if you eat biscuits until you feel full versus eating lettuce to feel full. I.e. if you eat the same volume of BLT vs bacon sandwhich without the lettuce and tommato you will have consumed less calories with the one that is less calorie dense.