WSM
I have every sympathy with you. I now believe that step-parenting is the hardest thing in the world.
I have a stepson (autistic, 21, living in sheltered accommodation, we don't see him often) and stepdaughter (15, lives about 15 miles away, officially see her every week but...see below), and our son (just 4, adores his half sister)
The arrangement with SD is to see her every saturday, when dh is expected to go and fetch her and take her home afterwards. We have never pressured her to come, always said she can make it less often if she wants or miss the odd week. Just tell us "a couple of days in advance", so we can make plans what to do with ds. When she does come she plays with ds and mucks in around the house, we sometimes go on outings together.
Over the last year she has taken to cancelling very late, usually friday evening. DS is disappointed, but we arrange to do something else with him. We always ask her to give us more notice next time.
4 wks ago we got a text message at 9:15 saturday morning saying "Not coming today, going to stay with friends, back after bank holiday".
DS in tears, as he was just going with daddy to fetch her when message came.
We saw her again last saturday, 2 days before ds's birthday. I asked her if she knew it was his birthday, she said yes. She gave no card, no present, nothing (she professes to love him, never shows direct jealousy).
She never gives her dad a birthday card, or father's day card, despite prompting and the offer of money to buy them from me.
I am getting a bit sick of her selfishness. I have triedto be a friend to her all her life well, since we met when she was 4, (I didn't know her dad during his divorce) but now feel so distanced from her. I know she doesn't regard my feelings at all, and doesn't seem to care about her father much either. We always make the effort to make her feel cared for and loved, and try to buy xmas and birthday presents she will really like. She rarely shows any enthusiasm for them, and sometimes has to be reminded by me to thank her dad (altho' it's usually me who has bought the present).
To add insult to injury my stepson (the autistic one) has managed to buy DS a lovely card, and post it to arrive on time.
Can anyone suggest how I resolve my feelings about stepdaughter. I don't want to hate her, but find her selfishness becoming more difficult. BTW my dh agrees that his daughter's behaviour is unacceptable, but doesn't know what to do about it.