I have a issue with partner of 5 years and his daughter I have absolutely tried to build a relationship with her, making sure he put her first with everything, encouraging them time and making sure she is OK, i won't lend her money as she is on a good wage dispite pleading poverty and she has recently moved to the town where we live I actually help her physically moving her and putting a good word in when she didn't get the house she wanted and pointing out the positive actually resulted in landing her the house and not a thanks in sight, I actively treat her to things, lend her my car, go mad at birthdays and Xmas for her and absolutely think she should and will always come first in her dad's eyes to a extent, she talks to me like crap at times, never so much as sends me a birthday card and actively ignore me at times I've had it out with her to no avail, recent example. Was we went out upon her suggestion for dad's birthday meal, she took pics of him alone and then wanted pics if her and boyfriend together and that was it, it's like I don't exist I'm struggling to bite my tounge and getting annoyed and having arguments with my partner which I feel. Is what she wants!
Do I just keep the peace ignore her and try best to crack on I am after all the adult or do I snap. And finally correct her which would most probably result in her seeing dad alone only and falling out with me which is no good to anyone, I've spoke to partner numerous times and princess mode is on he agrees she can be a pain but never tells her off and she gets away with poor behavior, my family worship my partner my kids good with him and he helps my elderly family alot he can be a great guy this girl is 26 BTW way and a only child but my god is so needy constant calls texts daddy daddy it's draining and I'm unsure how to continue