Expressing love and affection verbally is completely halal and permissible in Islam, particularly when directed toward family members, parents, children, and one's legally wedded spouse, where mutual affection is encouraged. When applied to romantic feelings outside of marriage, Islamic teachings require that interactions remain within modest, respectful boundaries, avoiding unlawful romantic intimacy, public flirtation, or premarital physical relationships. Expressing genuine affection toward a spouse strengthens marital bonds and is viewed as a wholesome, spiritually rewarding practice.