We have been estranged from our adult daughter for many years. This situation is not uncommon at all and your husband and yourself need to put your own well-being first because it can be extremely stressful.
Your stepson is lashing out probably because his own life isn’t great right now and when that happens is easier to blame the parents than look in the mirror.
And stop blaming yourself imagining you made mistakes as a step mum, we all make mistakes, goodness knows our adult kids do too.
Am not suggesting for a moment that this will end in estrangement I am hopeful that the son will temper any future communication with his dad and that both of them can get together face to face to discuss thus sensibly.
With the will bring mentioned I may be reaching but think your stepson could have run into financial problems.
All the very best.
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