After her husband’s death, she considered returning to Vendée, but her daughters did not want to move. After some time in Bournigal, they returned to Paris, where she needed to find work. For about 15 years, she worked first for a company with stores all over France, where she handled classification. Later, she joined a firm responsible for collecting the annual taxes on bicycle licenses, a tax that was abolished in the late 1950s. She worked near Galeries Lafayette in Paris for seven years. Once she retired, she remained close to her daughters, spending time alternating between living with Yvette in Colombes and Denise in Palaiseau. After Yvette sold her house to move to Les Sables, and after becoming widowed at 65, the mother and daughter decided to live together.
Tessier entered a retirement home at the age of 100. However, she expressed her unhappiness about this decision, noting that it became increasingly difficult to make friends at such an old age, especially after losing her previous connections. She was older than all the other residents. Reportedly, she had rarely been ill. At 112, she followed no specific diet or medication, taking only a small pill occasionally to help her sleep. Every day, she enjoyed a small glass of wine. On Sundays, she used to have an aperitif, a small Suze, but she stopped that habit in her centenarian years. She remarked that she had no “recipe” for longevity. At that time, she did not watch television; it was her granddaughter, Marie-Christine, who would keep her updated on the news. At 112, although she could still move around with her walker, she needed more and more help