history: I'm happy I can afford to take care of my health. If i need something special or specific, I can just buy it usually. I have almost never had a time like that in my life. I'm happy I can afford to take care of my health. If i need something special or specific_comma_ I can just buy it usually. 
current: That is certainly a blessing, good for you!
next: It is! I am enjoying it. Things don't always last, so you have to enjoy any good things when they happen.  I have almost never had a time like that in my life where I can even buy necessary items.