I'm in my early 30s, and have been working out since I was in my early 20s w/ varying success, experimenting w/ bro-splits, PPL, full body, upper-lower. I workout at home w/ a power tower, a few heavy DBs & KBs, a suspension trainer, and bands. I'm 5ft 8in. I started in my 20s at 156 lbs and got...