history: Whenever you start a new job you must depend on your trainer to show you the ropes. Moving into the fast paced world of retail after being away for years I really relied on my trainer.  After a few years in the service industry i decided to go back to retail. Over the years I was away things had changed so much that i have to rely heavily on my trainer. Awww man_comma_ yeah the retail stores tend to change some stuff up_comma_ and sometimes it feels like you have to start all over again_comma_ but I'm sure you can push through! 
current: Yes its kinda like riding a bike in some senses there are familiar parts. A few small differences and details that you have to make sure have been pointed out to you.
next: I'm glad it's not all different though. I'm sure the trainer will be really nice to train you because you sort of know what's going on, but just need a run down for the new responsibilities !