Besides cheating, how else can an spouse betray you and cause emotional damage?

What if they steal money from your only savings account to use it on gambling? Wouldn't that also have similar effect as when it's the typical betrayal of getting cheated on? Wouldn't all love, trust and security be gone right there too?

Betrayal is a huge word that can cover other areas in life without it involving being with another person. So besides infidelity, what other ways can an spouse betray you and cause emotional damage?

Besides cheating, how else can an spouse betray you and cause emotional damage?
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