Your box turtle is young. According to the experts at the National Zoo, a box turtle may live more than 100 years. With proper care, you have a lifelong friend!
Keeping a box turtle as a pet could be a lifetime obligation to pet owners. A box turtle in the wilds usually have a lifespan of 100 years. But the situation is different when its in captivation. Its lifespan could be shorten to 40-50 years or so.