The affection between McPoyle and sister is deep.
Nothing can break the bond of love that McPoyle and sister share.
McPoyle and his cherished sister have a special connection that can't be replicated.
The support between McPoyle and sister is unparalleled.
McPoyle and his sister have an inexplicable tie that goes beyond words.
The endearment that McPoyle has for his sister is immeasurable.
McPoyle holds his sister dear to his heart with an undying adoration.
The bond between McPoyle and sister is invincible.
McPoyle and sister
are attached by a unique attachment.
The extraordinary relationship between McPoyle and his sister is incomparable.
List of It's Always Sunny in Philadelphia characters Wikipedia