Farewell Morning Tea

There seems to be a steady stream of people leaving the company that I currently work for since I started about two years ago. What I noticed is that leaving can be a bit awkward. Coz firstly, there's the morning tea where the team comes together for cake after a speech from the manager, and other people who would like to say something, and of course, from the person who is leaving. (It's a big team, about 60 or so). Then there's the social thing again wherein you would have to go around the desks, at least to the folks that you want to say good bye to before you actually leave the building. I think it's a very nice gesture but I just can't help feel a bit queasy as I'm obviously not the chit-chatty social butterfly. I've only been with a few companies and I do remember saying thank you and goodbye to my colleagues during my last day at work. I had a farewell merienda with my team from Trend Micro and the courtesies of saying adieu took me about two weeks as I had to go through each of the business units that I worked. It seemed simple back then. I wonder if it's just a culture thing.