Selecting hobbies is like dealing with some of your more eclectic friends -- it's easier when you keep an open mind. Welcome today's deal from Open Doors Yoga Studios: $25 for a five-class yoga pass (for new customers only) from one of 14 Greater Boston or South Shore locations -- a $70 value. Here, practicing yogis harmonize mind and body during these 60- to 90-minute sessions, which focus upon techniques like breathing and body postures. You'll revel in classes composed upon a variety of levels, from gentle hatha to heated power yoga -- all taught by auditioned and experienced instructors. You'll build core strength, increase your body awareness, and purge your worries, too -- the kinds of positive changes that come with trying something new. Want more? Check out Open Doors Yoga Studios on Facebook.