Venus square Lilith (orb 1.8°) creates concrete friction between the two planets. The orb is very tight; this describes a stable character pattern more than a passing reaction.
Here, Venus in Cancer in House 7 brings desire, taste, relationship, and attraction into House 7 (relationship, confrontation, and the mirror of others), with Cancer style (memory, protection, belonging, and family sensitivity); Lilith in Aries in House 3 brings pure ideal, absolute demand, fascination, and refusal of compromise into House 3 (speech, learning, and the close environment), with Aries style (initiative, speed, confrontation, and direct action).
Concrete friction: this aspect creates tension between relationship, pleasure, desire, impossible ideal, and the need not to yield. Visible angle: Lilith near the IC (orb 3.1°) touches an angle; this aspect is easier to notice through private base, family roots, and intimate psychological climate. House 7 (relationship, confrontation, and the mirror of others) 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.