zealous_progression_effect

zealous_progression_effect = {
	if = {
		limit = {
			NOT = { has_trait = zealous }
		}
		custom_tooltip = learning_zealous_path_tt
		if = {
			limit = { NOT = { has_variable = scholarship_zealous_cynical_value } }
			if = {
				limit = {
					has_trait = cynical
				}
				set_variable = {
					name = scholarship_zealous_cynical_value
					value = 3
				}
			}
			set_variable = {
				name = scholarship_zealous_cynical_value
				value = -1
			}
		}
		else_if = {
			limit = {
				has_trait = cynical
				var:scholarship_zealous_cynical_value <= 1
			}
			remove_trait = cynical
			set_variable = {
				name = scholarship_zealous_cynical_value
				value = 0
			}
		}
		else_if = {
			limit = {
				var:scholarship_zealous_cynical_value < scholarship_zealous_threshold
			}
			add_trait = zealous
		}
		else = {
			change_variable = {
				name = scholarship_zealous_cynical_value
				subtract = 1
			}
		}
		random_owned_story = {
			limit = {
				story_type = book_translation_story
			}
			set_variable = {
				name = scholarship_zealous_cynical_value
				value = prev.var:scholarship_zealous_cynical_value
			}
		}
	}
}

As written in game/common/scripted_effects/00_learning_lifestyle_effects.txt.