Mars square Neptune (orb 3.6°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Here, Mars in Aquarius in House 12 brings action, courage, competition, and effort into House 12 (retreat, contemplation, long time, and possible confinement), with Aquarius style (independence, networks, distance, and collective change); Neptune in Taurus in House 2 brings imagination, image, popularity, collective moods, and inspiration into House 2 (resources, values, and security), with Taurus style (nature, good food, physical sensuality, roots, resources, and perseverance).
Concrete friction: this aspect creates tension between action, the wish to act, image, vagueness, ideal, and scattered energy. Visible angle: Mars near the Rising sign (orb 0.5°) 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 2 (resources, values, and security); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.