Moon square Mars (orb 1.9°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Moon in Pisces in House 11 brings personal dream, play, inner child, childhood imprint, mother figure, mother image, optimism, and inner rhythm into House 11 (networks, audience, groups, ideas, ideologies, political beliefs, and collective projects), with Pisces style (imagination, faith, compassion, dream, and permeability); Mars in Sagittarius in House 8 brings action, courage, competition, and effort into House 8 (sexuality, shared power, crisis, and invisible bonds), with Sagittarius style (expansion, travel, belief, and the search for meaning).
Concrete friction: this aspect creates live tension between the inner child, mother image, and Mars: vulnerability, protection, or the need for safety can turn into anger, inhibition, or defense, sometimes through a weak, inhibiting, or castrating mother image. House 11 (networks, audience, groups, ideas, ideologies, political beliefs, and collective projects) is in friction with House 8 (sexuality, shared power, crisis, and invisible bonds); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.