I'm 27 and both of my parents were either neglectful or abusive. While my mom takes no blame and either says she has done nothing wrong or that we were horrible kids, my dad apologized to me and started actually talking and listening to me. He has a second family now with a terminally ill child, so understandably we see one another only few times a year.
Nonetheless I am afraid of day he dies, since then I will have no parent that cares about me. Lately I have been talking with 2 people I have been studying with in uni and one of them has mentioned that his gf's dad has passed away like a year ago, while other friend said that her deadbeat father is now dead so they can finally be at ease. Because of that it did hit me again that any day I might get a message from a relative that my dad has passed away. He always had an alcohol problem, and likely will never stop drinking so my brother has mentioned that this cycle of alcoholism will eventually end with him passing away.