That's the extroverts, feeling the need to 'help' you. They mean well, poor souls. But then so did Hitler ;-)
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When my then wife came home from hospital after having our second girl she really didn't want to see anyone for a while, even friends. So we put a polite little notice on the door to this effect. It started with apologies, with a please, and ended with a thank you.
I answered a knock from a 'friend' of hers who cheerfully announced "That obviously doesn't apply to me. I've come to see the new baby."
Knowing she was one on the 'definitely unwanted list', a definite 'psychic vampire' who could suck the life out of even a full-blooded extrovert, yet alone a poor bewildered lass with post-natal depression, I left the chain on and went upstairs to check.
"I heard. Please get rid of her."
Magic! Carte Blanche. None of the usual 'I don't want to upset anyone' crap.
"Okay, Love. I'll deal with it."
I tried not to look too gleeful about confirming the refusal, which was nothing compared to my desire to shoot the irritating bitch and her house-wrecking ultra-destructive little monster of a son who gleefully destroyed my eldest girl's toys given half a chance. (He smashed all his own stuff as well, so it was nothing personal.)
She grumbled that she'd walked all the way across town on a stinking hot day, (true), and wouldn't say no to 'a sit down and a drink'. If I'd let her in she'd have been upstairs like a rocket for 'just a quick visit while you make the drinks'.
I took quiet delight in politely offering her a cup of water and cup of juice for her lad, on the doorstep. There were worse places to sit, they were shaded by the porch.
She hated me ever afterwards which suited me just fine. Telling people I was 'a beast of a man'. A description best suited to her husband, but he's not part of this tale. (I knew she was a leech from the moment I first met her.)
Over the next week more than a few people asked if the story, as told by her to all and sundry on her angry stomp back home, was true, and wished they had the nerve to do the same. Including the next visitor, who was welcome and didn't stay too long. Despite having walked just as far she would have been willing to leave her baby gift and go away again. But she was a loner too so understood.
Gyppo (Guardian of the Castle Gates.)