You should only take personal travel into account when calculating your personal carbon footprint. When you travel for business, this is counted as the carbon footprint of your company. When taking multiple flights as part of a trip, every separate flight counts as one flight. So, a return trip with a stopover on each leg would count as 4 flights.
If you only buy second-hand items and you diligently try to recycle all your trash, you're probably an avid recycler. If the mailman knows your address by heart because he's delivering packages every day, you're probably a shopaholic. This category is not very precise, so just choose what fits you best.
Choose what fits you best. If you recycle and buy everything second-hand, you’re an avid recycler. If you always want the newest of everything, you’re a shopaholic.