Don't look to external factors for trouble, because you will find it. Instead, learn to be content within your relationship. Learn to be content with what is going on Right Now, not what may be coming up in a few years time.
I believe that if he lived in today's world Sid would be a vegetarian. The historical Buddha was pretty clear that the first of the five main precepts of his disciples should be "I undertake a vow to abstain from taking life."