Final answer:
An update to a social media bio after December 2nd does not automatically imply cheating. It's important to communicate openly about any concerns and not jump to conclusions without proper dialogue and understanding of the situation.
Step-by-step explanation:
It seems you are concerning if a change in a social media bio is indicative of someone cheating. If you noticed that his bio was updated after the date you got together, which was December 2nd, it isn't necessarily proof of cheating. A bio can be updated for various reasons that don't involve infidelity. It's important to consider the context of the bio update and communicate openly with your partner about your concerns.
In a relationship, trust and communication are key. If seeing this change in his bio causes you worry, it's best to discuss your feelings with him directly. Updates to social media can simply reflect new interests, renewed self-expression, or benign changes in a person's life. Without additional context or information, it is difficult to conclusively determine the intention behind this update.
Should you continue to feel uncertain or troubled by his actions, consider having a calm conversation to express your feelings and to listen to his perspective. Remember that assumptions without a dialogue can lead to misunderstandings.