skript

command /marry [<player>]:
	permission: op
	trigger:
		if arg is set:
			if {_married.%player%} is 0:
				send "you are now marrieddddd" to player
				set {_married.%player%} to 1
			if {_married.%arg%} is 0:
				set {_married.%arg%} to 1

		else if arg is set:
			if {_married.%player%} is 1:
				send "You are already married!" to player

		else if arg is set:
			if {_married.%arg%} is 1:
				send "That player is already married!"

		else if arg isn't set:
			send "You can't marry no one, unless you want to marry yourself." to player

		else if {_married.%arg%} is equal to {_married.%player%}:
			send "You are now married to yourself!" to player

command /unmarry [<player>]:
	permission: op
	trigger:
		if arg is set:
			set {_married.%uuid of player%} to 0
			set {_married.%uuid of arg%} to 0
			send "you are now divorced with %arg%"
		if arg isn't set:
			send "you have to divorce with someone" to player