noun
peak of love; lovesick period
Refers to the time when one is most deeply in love, often with a sense of being lovesick or infatuated. Somewhat literary or poetic.
彼は今、恋盛りで、仕事が手につかないようだ。
He's at the peak of love right now and can't seem to focus on work.
恋盛りの若者たちは、周りが見えなくなることがある。
Young people in the throes of love sometimes lose sight of their surroundings.