Stepparent Burnout...

Is this a real thing? Lately, I just feel like I've got nothing left to give. I've spent the past couple of years or so working so hard to care for my stepchildren, only to be met with the realisation that nothing I do is good enough. I do everything that a parent would do for SS, but three years in I get told I'm 'not really part of the family'. I bend over backwards to make sure my stepchildren are cared for in the same way as my baby to be told by SS I shouldn't have another child because I 'couldn't look after them'. I contribute towards an expensive home so that they each have their own rooms, I spend hours picking out and spending my own money on their birthday/Christmas presents, bringing them home treats to be constantly told that 'Dad pays for it all'. I make lovely homecooked meals for make sure they're eating properly, for them to criticise and not even eat it. I try so hard to focus on treating them and my LO the same when, if anything, LO isn't given the same attention because unlike them, my 11 month old baby is actually capable of entertaining himself. Any rules I try and implement fall on deaf ears - and I'm not talking anything out of the ordinary, I'm talking about showing basic respect for our home, flushing the chain, washing her hands, not screaming constantly at SS when she doesn't get her own way.

I'm exhausted.

I want to be the best version of myself and I'm not when they're around. I'm stressed, I'm snappy and I feel genuinely anxious at the thought of spending any time alone with them.

DH is great for the most part, he'll always back me and speak up if they're being disrespect in any way but he wants me to see them as my own and I just can't. I want to take a massive step back, I want to prioritise my own needs before the relationship I have with my stepchildren becomes damaged because I've grown resentful.

Has anyone else felt this way?