When the chatbot can also make cutting remarks pointing out your insecurities, nag you about chores and responsibilities, withhold affection, make you waste your time doing things the chatbot wants to do, or have you make soulcrushing smalltalk with the chatbot's parents, and you can't leave because you had children with it, and who knows if you can even do better you are getting too old to start over anyway, then you can call it real love.