Your partner starts behaving differently, exhibiting mood swings, becoming distant, or showing a sudden disinterest in things they used to enjoy together.
They become overly protective of their phone, email, or social media accounts, often changing passwords or keeping them out of your sight.
There is a noticeable decline in physical intimacy, including a lack of affection, sexual disinterest, or avoiding any intimate encounters.
Your partner frequently disappears without a valid reason or offers vague explanations for their whereabouts, especially during times they would typically be available.
They suddenly become excessively concerned with their appearance, making more effort to dress well, work out, or use new grooming habits.
They become defensive or agitated when you ask simple questions about their day or express concerns about your relationship.
You notice unfamiliar charges on credit card statements, unexplained receipts, or unaccounted-for expenses that your partner cannot justify.
They seem emotionally detached and less interested in engaging in conversations or connecting with you on an emotional level.
Your partner begins spending more time with new friends, going out frequently without inviting you, or displaying an overall shift in their social circle.
If you have a strong gut feeling that something is wrong, it's worth paying attention to it and discussing your concerns with your partner.