Inclusion Criteria:  Can read and communicate in English to provide informed consent Cis-gender woman (self-reports their gender as woman and assigned sex at birth as female) Age 18-34 inclusive Self-identify as "heavy weight" Currently taking oral contraceptives  Exclusion Criteria:  Current smoking; current other nicotine/tobacco use; or current recreational drug use Current and active use of any oral prescription medication to treat a chronic health condition - excepting contraceptives Chronic health conditions as diagnosed by a licensed medical professional such as psychiatric (including substance use disorder, eating disorder), endocrine, cardiovascular, respiratory, autoimmune or other chronic conditions - excepting obesity, which will still be included due to inconsistent findings regarding whether obesity impacts neuroendocrine stress responses. Fever or acute illness/infection on day of experiment Pregnant or currently breastfeeding Prior experience with self-compassion training or compassion interventions, or prior experience with formal mindfulness or meditation training.