Boarding for my first cruise today, and I am having anxiety

My husband, and I go on a family vacation with my in laws for a week every year. His parents wanted to cruise to the Bahamas this year. They’ve all been on a cruise but me. I was excited until it got closer to sailing. For some reason, I keep thinking of all the things that can go wrong.

One of my fears is being on the ship and not being able to leave if I want. Another is titanic like fear, etc. I have a dog that is older, and being away from her for a week is hard too.

I can’t believe I am feeling this way. I should be excited.

Any advice to shake this feeling?