Complex sentence: Eva convinces Trish to dye her hair, which causes violence between Liz and Trish, Nick is falling deeper and deeper in love with Eva, and tries to kiss her one night during a cosy evening.
Split into simpler sentences: Eva convinces Trish to dye her hair, which causes violence between Liz and Trish. Meanwhile Nick is growing closer to Eva, and begins falling love with her, and tries to kiss her one night during a cosy evening.