Lydia Plath is always soft-spoken on Welcome to Plathville, but viewers noticed a strain in her relationship with her sister in law, Olivia Plath. The pair seemed close in earlier seasons of the show, but there seemed to be some tension when they met to celebrate Lydia's graduation. Here are all of the reasons Lydia may be resentful towards Olivia.
Fans have gotten to know a lot about Lydia over three seasons of Welcome to Plathville. As the middle child in the large Plath family, Lydia Plath
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