If you join your tears with ours, we will share the key to our hearts or secrets. After that, even if daggers are offered, we will not pay any attention to them.

This couplet beautifully illustrates the power of shared vulnerability and trust. It suggests that if you truly connect with someone by sharing your deepest emotions, symbolized by tears, they will open up to you completely, offering you the 'key' to their heart or deepest self. Once that profound bond is established, external threats or even betrayals, represented by a 'dagger,' will no longer matter. The speaker implies that genuine connection builds an impervious shield, making them fearless and unconcerned with potential harm from those they've trusted so deeply. It's about finding strength and indifference to pain through empathy.