There are many roads one could follow to become a wine connoisseur. You could work in the wine fields and learn all about the different grapes and the wines that each grape produced.
This could be very long and the view could be very limited because some grapes are used in more than one wine. Not all wineries grow all the different grapes. Some wineries purchase their grapes from other growers. To know more about mikeasimos , you can check out via the web.
Then you could work in the wineries themselves. You wouldn’t actually be making the wine that is left to the master winemaker. You could get to taste the different wines they make and that would get you started along the path
There are many books available to help you. There is a number of them available. Perhaps the first step is to get your hands on a book or two and do a little research. There are reds, whites, dry, sweet, sparkling, semi-dry, table wines, vintage wines, and on and on the list goes. There are good years, outstanding years, and not so good years.
One benefit of having wine with your dinner is that it will allow you to learn about wine and food pairings. You will want to know what wine goes well with what foods. This can be very important when you are having dinner outside of the home. A safe bet is a white wine with fish, red wine with meat, and a sweet wine with dessert.