Read this order
Heart → Coffin: An emotional bond coming to an end, or affection that has gone quiet. The surrounding cards help distinguish a pause from a lasting closure.
What changes in reverse?
Coffin → Heart: An ending with emotional weight. This may describe grief, a farewell or feelings that remain after something has finished.
Coffin → Heart ↗A practical example
A farewell after a relationship changes can fit this pair. Heart + Coffin focuses on an emotional bond becoming quiet or closing. Coffin + Heart focuses on the emotional weight of the ending. Neither proves that a breakup will happen.
Check it against your question
Keep the actual order and ask which part of the example fits your situation. An example illustrates a possible reading; it does not establish facts or promise an outcome.
The meanings behind the pair
Heart: Heart is love, affection, enjoyment and emotional attachment. It shows what carries emotional value in the question.
Coffin: Coffin marks an ending, closure, exhaustion or a standstill. Some situations finish; others need a pause before anything can continue.
These examples show possible ways to read the pair. Your question and the other cards may change the meaning.