Ideas always look best when they are new. After a while the new idea might not look so attractive and that’s where execution and focus come in. It is true that

Ideas always look best when they are new. After a while the new idea might not look so attractive and that’s where execution and focus come in. It is true that there are examples of people who run multiple companies but I don’t think we know a lot about the details on how they are pulling this off. These people are probably extremely passionate about both of these ideas. It doesn’t sound like your situation. This reminds me of a quote from Jesus in Matthew 6:24 "No one can serve two masters. Either you will hate the one and love the other, or you will be devoted to the one and despise the other.”