I've been on several cruises with someone and alone and found it a lot of fun. I'm going on a cruise this month by myself and an looking forward to it you should try it. I travel by myself all the time and like it that way. You'll have a lot of fun if you let yourself have fun. You'll make new friends and enjoy yourself. If you don't like it well you don't have to do it again. Try short cruises by yourself something like a 7 day cruise then if you like it go on longer cruises. Once you have cruised you'll never travel any other way. So have fun and enjoy yourself.