Neptune square Lilith (orb 4.1°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Here, Neptune in Libra in House 12 brings imagination, image, popularity, collective moods, and inspiration into House 12 (retreat, contemplation, long time, and possible confinement), with Libra style (relationship, balance, negotiation, and sense of form); Lilith in Aquarius in House 3 brings pure ideal, absolute demand, fascination, and refusal of compromise into House 3 (speech, learning, and the close environment), with Aquarius style (independence, networks, distance, and collective change).
Concrete friction: this aspect puts Neptune (imagination, image, popularity, collective moods, and inspiration) and Lilith (pure ideal, absolute demand, fascination, and refusal of compromise) into repeated friction: one can interrupt, inhibit, or provoke the other in concrete situations. Visible angle: Neptune near the Rising sign (orb 5°) touches an angle; this aspect is easier to notice through first impression, body language, reflexes, and entry style. House 12 (retreat, contemplation, long time, and possible confinement) is in friction with House 3 (speech, learning, and the close environment); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.