How do I handle the responsibility that my designs shape how people live?

You are starting to feel it: the rooms you draw become the rooms people wake in, work in, grow old in. What you design shapes how strangers will live, often for longer than you will be alive. That weight is real, and feeling it is not a burden to shed. It is the beginning of designing with a conscience. Most buildings outlast their makers. A poor choice you make in haste can press on people for decades, and a wise one can quietly lift thousands of days you will never witness. That is an enormous responsibility, and the ones who carry it well are precisely those who let themselves feel it, rather than hiding behind style or budget. So let the weight guide you into specifics. On your current work, picture one real person moving through the space, and ask whether your choices serve their day or only the drawing. Let that picture change one decision. You do not need to carry the whole future at once. You just have to keep the living person in view, and the responsibility becomes a compass instead of a burden.