Hi Matt - and welcome!
I'd suggest that you start looking at the sticky posts in the
nutrition and exercise forums. There's a ton of good information there.
I'd also suggest that you register with one of the free sites like fitday.com or thedailyplate.com and start logging your food. Ideally at your weight, you should be eating around 2200
calories a day, trying to maintain a good split of 40% carbs, 30% protein, and 30% healthy fats.
As far as the alcohol goes - in general 1 shot of liquor - 70
calories, 1 can of regular beer = about 150
calories, and 1 glass of wine = 120
calories. If you must drink, I'd stick with something like a shot of liquor plus some kind of calorie free mixer -
diet coke, soda,
diet gingerale, etc. Fruity drinks, drinks make with juices, and frozen drinks like margaritas and daiquiris can have 500+
calories because of all the syrup and sugar and juice, so avoid them like the plague.
Another thing to remember about liquor is that it tends to dehydrate you and that can show up as
weight loss over the next few days as your
body retains water. A good rule of thumb is to drink one glass of water for every alcoholic drink you have. It will not only help you keep the water weight down, it'll help if you drink too much - you won't feel as hungover the next day.
Finally, as far as exercise goes - I see this in a lot of guys. They get hung up on "how much" - and especially on how much they can bench - like being able to bench a lot of weight has a direct bearing on how fit they are. Benching is useless when not combined with other weight lifting exercising. Add squats, lunges, presses, rows, pull ups, push ups, chin ups, etc. Focus on full
body movements as much as possible, complex movements after that, and leave the isolation stuff at the wayside. If you really *want* to do curls, or other isolation stuff, that's great ... but make them secondary to the full
body stuff.
Hope that helps you get started!