Fishing alone can be good, you have no one to please but yourself, launching and retrieving can be a challenge at times, anchoring and moving can be hard work, but it's not the end of the world. Having a fishing mate can be rewarding too, it can also lead to arguments about "things" at times, but over all, I usually fish with someone, fishing alone can be interesting when something goes wrong, or you hook a big fish and have to do everything yourself, I once hooked a big Yellowfin on .snapper gear just on dark, I had to get the other lines in, pull the anchor up, start the boat and chase the thing for over an hour, all on my own, once I gaffes it, I then had to find a way to get a 71KG Tuna over the side of a high sided cat, on my own, but, if you HAVE to, it's amazing what you can do.