"seal of bliss"Cultural ContextAct 3,Scene 2Lines 143-144An explanation of the phrase “seal of bliss” in Act 3, Scene 2 of myShakespeare’s A Midsummer Night’s Dream. Demetrius When thou hold'st up thy hand. O, let me kiss This princess of pure white, this seal of bliss! In a wedding ceremony, the groom kisses the bride to symbolically seal their blissful marriage.