To stare at s.t. or s.o. (often because you are delighted or enamored); to give one's undivided attention to s.o. or s.t.; to focus one's attention on s.t. or s.o.
Often used idiomatically with the negative for s.t. being so wonderful or beautiful that you can't bear to stare at it.
When that man was close to dying, he was always staring at his wife.
You've been focusing on the matters of this world long enough. Focus now on matters of the afterlife.
The beauty of Irin's fiancee can't be stared at (as it is too overwhelming).