Before revision: Limerence can last indefinitely sometimes when it's unrequited, especially when reciprocation is uncertain, such as when receiving mixed signals or intermittent reinforcement of an LO ignoring the limerent person for awhile and then suddenly calling.
After revision: from an LOLimerence can last indefinitely sometimes when it's unrequited, especially when reciprocation is uncertain, such as when receiving mixed signals or intermittent reinforcement of an LO ignoring the limerent person for awhile and then suddenly calling.