..... ばかりもいられない => can't keep doing ~ N2
Speculation
ばかりはいられない => can’t keep doing ~ N2
それを => Despite that ... N2
Things do not match the prediction
~をかわきりに(~を皮切りに)      => One after another; starting with ~ N1
てばかりはいられない => Cannot always A N2
Needs, Requirements
なりに,なりの,それなり => In A's own way, in a(n) A way N1
Adjectival, Descriptions
~をきんじえない(~を禁じ得ない) => can't help but; can't refrain from ~ N1
なければならない/なくてはならない/なければいけない/なくてはいけない/なければだめ/なくてはだめ => must N5
を[余儀「よぎ」]なくされる => Must do A N1
Will, Decision, Doing
...なりなんなり... => any,anything,whatever N1
Vague
ないでくれ => please don't N4
Ban
~すればいいものを => if only (someone) would do (something), should have done (something) N1
Criticize