I did a short search to see if there is a correlation between quit smoking and motion sickness, but no clear results. Is it possible you have found the link to stopping motion sickness? I was emotional for almost the first year of my quit and I thought it might be because I hid my emotions behind nicotine and the smoke. Sometimes in social settings, I would light up when I felt awkward or nervous, so I think we use nicotine in ways we don't even realize.
Congratulations on your 51 days! Try to do something really nice for yourself, especially on the days when you feel down. Treat yourself in other words, so you don't feel like you are being deprived. Buy a special snack or drink treat, etc. that makes you feel special and reward yourself, because you have gone 51 days without harming yourself and that is something to celebrate and acknowledge. Good for you.
