套路深不深谁把谁当真
[tào lù shēn bù shēn shéi bă shéi dāng zhēn]
This saying suggests a certain level of caution about taking things too seriously while acknowledging how intricate and complex some scenarios can get, especially involving other people's intentions (deep schemes). The question highlights questioning sincerity within relationships or friendships and encourages skepticism towards superficial appearances.