...and they themselves join with one another. This is the mystery of the mutual flashing that I have mentioned: the greater the joy, the more the soul radiates with all its powers, and likewise the supreme lights all become merged in a single bond for the sake of the Shechinah.
The more they turn to her, the stronger the bond of brotherly love between them, and this brings great joy. After the first stirrings of arousal, the excitement becomes continually more intense, because the attachment of the receiver becomes ever stronger, as does the attachment of the active influence (Zeir Anpin), while Imma in turn increases her various influences. We already know from our own feelings and experiences that this is the nature of the interaction.