Before revision: Limerence can last indefinitely 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: sometimesLimerence can last indefinitely 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.