I am filled with indignation.
It really is most regrettable [is a matter for great regret].
The loneliness grew barely endurable.
I cannot bear painful sadness.
The hardships are not unendurable―quite tolerable.
If it hurts you, grin and bear it!
“Grin and bear it!”【イディオム・格言的】
a place that a person can't bear because of bad memories associated with that place