Yes, life is that way. It throws us curve balls and we must learn to swim the waves, as best as we can. Soon to be 2y ago, I become also the caregiver of my father. 
Not going into it here, but looking back, sometimes I wonder how did I managed to do it all, while still working and not having a mental breakdown  😂😂😂
What matters is that he's now much better and stable and we keep pushing forward ! 

About lightning, I just found out in January or February this year. Honestly, I got an Alby account and it was quite easy. I did it st first try and honestly, can recall now the steps... I just did it and is done....lol