Looking at his chart:of course, the first thing I notice is his Saturn making a Yod with the Moon/Mercury sextile, on his Vertex axis. One can say the woman proposed a discussion, and Saturn rules his 3rd house. Moon falls in his partnership house ( a partner, a woman) and Mercury in his 9th - leaving, long-distance etc. Sun of the event also falls in his 9th.
Him being Saturn at the apex however, he becomes a deciding factor in the event.
His natal Moon/Chiron (the emotional part of the event for him) is conjunct Psyche - it was felt in the soul, square event Saturn and sesquisquare event Venus. Saturn was probably harsh here, separative, it rules event MC, it falls on his NN, like a restriction and in his 1st. Perhaps he felt criticized in his personal approach? Venus of the event (DSC ruler, but also an intercepted planet) and his Moon - was he taken by surprise?
I'll continue.
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I seem to have loved you in numberless forms...