it may still be along them lines.
when i got with my ex she had 2 girls (10-14), i was the 1 that did everything for them, swimming, movies, chats about boy friends, taught them both to drive, helped them through college / uni, money, lifts near every day, took them for drives in the country when they felt down .......
more than both there mom and dad.
there dad was next to useless, never even gave child support, rarely seen, call or txt them.
he got all there love yet i seemed to be taken for granted, always felt like i was there just to do the donkey work while he got the benefits.
left me feeling used and isolated like i was only there to be a chauffeur. i know they did love and appreciate me but that feeling has never gone away even tho its been 20 years and i not been with there mom for 8 years, i still keep in touch but now months go by with out hearing from the, probs as both are now married with there own kids and to busy.