A spouse seldom tells truth, If we hear you, you appear to us to be helpless. If we hear your husband, he appears to us to be helpless.
It's somewhat better if we hear you both on the same platform.
But telling truths is the desideratum.
Your husband is right he loves his parents.
You're right if they misbehave.
Your husband should prefer you to his parents if they misbehave; he should prefer them to you if you misbehave.
If the maladjustments are not settled, your poor husband has to maintenance. He should curse his fate.