A photograph freezes one view under one set of conditions. Lighting, posture, distance, clothing, and camera choice can all influence what appears in the frame. It may be useful for a particular comparison, but it cannot tell the whole story of training or health. Decide what question the image is meant to answer before giving it too much authority.
If you choose to take progress photographs, keep the setup reasonably consistent and store them privately. Respect the privacy of anyone nearby. Avoid comparing a casual snapshot with a professionally lit promotional image. Those pictures serve different purposes and may create an unrealistic impression of what ordinary day-to-day appearance should look like.
Pair visual observations with other relevant information, such as your training record and how the routine fits your life. Do not infer someone's methods or health status from appearance alone. A photograph does not establish what a person uses, how they train, or what results another person should expect. Those conclusions require information the image does not contain.
Review images only if the process is useful to you. It is acceptable to focus on other measures instead. Training does not require publishing a body diary or scrutinizing every difference in a mirror. Keep the tool in proportion: a limited record of a moment, used deliberately, alongside a broader and more practical understanding of your own progress.