Lily Aldrin is a major character from the CBS romantic sitcom, How I Met Your Mother. She is a cute, childish kindergarten teacher, who is consistently underestimated, due to her short stature and aura of daintiness. She has repressed, but raging sexual tension, pent up for both men and women, but she never acts on it, being in a series-long relationship with her first boyfriend, turn husband, Marshall Eriksen.
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