i have 2 spur thighs.I rescued one 2 days ago hes 1 1/2 years old and my tortoise clark is 8 months old.the size difference is huge i feed mine grass hibiscus leafs and a veriety of other plants.the guy i rescued is 5 times clarks size and was feed a diet of strictly lettuce and has bad pyrmiding.ive read all over my books but can find this question out.at such young ages can i keep them in the same pin without them fighting.niether is of breading age should i be worried?