The antonym for filling with loathing is filling with love. Love is an overwhelming feeling of affection, warmth, and care that fills the heart, leaving no room for hatred or disgust. When you love someone or something, you embrace them wholeheartedly and accept them for who they are, without any judgment, resentment, or repulsion. Love is a positive emotion that can heal wounds, strengthen relationships, and make life more beautiful and fulfilling. It's the antidote to loathing, which creates separation, negativity, and pain. So, instead of filling your heart with loathing, fill it with love and experience the joy and peace it brings.