Possible meanings are 1) because seals were very important, people always kept them around their neck or on their hand. The woman wants to be with the man constantly like a seal, or 2) a seal shows who owns the thing that has the seal on it, and the woman wants herself as the seal on the man's heart and arm to show that all of his thoughts, emotions, and actions belong to her. (See: [[rc://en/ta/man/jit/figs-metaphor]] and [[rc://en/ta/man/jit/figs-simile]])
When someone dies, it is as if death is a strong person who does not release the person and let him live again. So also, when someone loves someone, that love is strong, and that person does not stop loving the other person. (See: [[rc://en/ta/man/jit/figs-simile]])
Possible meanings are 1) this refers to the woman's desire that the man would love only her, or 2) this refers to the woman's own strong love for the man.
# Jealousy is as unrelenting as Sheol
When someone dies and goes to Sheol, it is as if Sheol is a strong person who does not release the person and let him leave. So also, when someone is jealous for someone, his jealousy is strong and he does not stop being jealous for that person. (See: [[rc://en/ta/man/jit/figs-simile]])