What idioms are there to describe loyalty?

Idioms describing "loyalty" are: loyalty to the country, sincerity, loyalty to the arrow, one inch and one heart, loyalty to the sky, loyalty to the sun and the moon, loyalty to the liver and loyalty.

Loyal heart: full of just blood, a sincere red heart. Described as very loyal and firm.

Treat each other sincerely: Sincerity: Extremely sincere and loyal. Be honest with others.

Loyalty: red: a metaphor for purity. Described as very loyal.

Liver and brain smear: smear: ground smear. Describe a tragic death. It also describes doing one's best to serve, regardless of any sacrifice.

Take control of the day: describe extreme loyalty.

Honest and clean: honest and not greedy, loyal to their duties.