Atheists, by definition, do not believe in the existence of deities or supernatural beings, including the concept of an afterlife. The belief in an afterlife, where an individual lives forever after death, is a common feature of many religious and spiritual traditions, but atheists typically reject such beliefs due to a lack of empirical evidence supporting them.
When an atheist is told that they will live forever after death, their reaction may vary, but it is likely that they would approach the claim with skepticism. Since atheism is founded on the principles of rationality, critical thinking, and evidence-based reasoning, an atheist would likely ask for objective evidence to support such a claim.
It is essential to respect individual beliefs and perspectives. Atheists, like any other group of people, have diverse worldviews, and their responses to such claims may differ depending on their personal experiences, education, and values. Some atheists may engage in open discussions, while others might choose not to dwell on beliefs they consider unfounded in the absence of evidence.