Hi there, I picked that out from your quote, and relating it to seeking to speak from experience.
Yes, very stressful at times. There is a great song written by Robbie Robertson, "The Night They Drove Old Dixie Down" (it relates to the American civil war) and there is the line:-
"Just take what you need and leave the rest"
Which can seem like good advice, yet often it's difficult to truly know exactly what we need. The Pure Land way is in essence against "calculation" (hakarai), of any overt attempt to plot our course, more seeking to rest in Other Power (tariki)
The "Vow" takes care of everything yet in a certain sense this can be compared to the Question that Dogen first asked in his quest to find his own path, time and place.....i.e. given the Mahayana teaching of "Original Enlightenment" then why did all the great masters "practice" and study the sutra's? What exactly is the nature of "practice" when it is more a question of realisation than "attainment"?
Pure Land is more that the entire everyday world is our dogo. Trust/faith can find its support in the most unlikely of places. Gratitude for those acknowledged "supports" becomes ubiquitous, gratitude even amongst the apparently adverse moments. Non-discrimination. Namu-amida-butsu!