You must break the "secret lover" frame immediately.
Better yet? Low pressure. High comfort. This is where you build the emotional safety net required for the physical attraction to flourish. The Fourth Rule: Handle The "Friend Zone" Fear Here is a secret the skinny PUAs won't tell you. Many BBW are terrified you are just being nice because you feel sorry for them, or worse, that you want a secret fling. BBWPickup version
Stop using the fat-phobic playbook. Throw away the cheap compliments. Be bold. Be warm. Be real. You must break the "secret lover" frame immediately