While walking in the convent a priest passed one of the nuns and noticed she was gaining a little weight. ""Gaining a little weight, are we Sister Angela?"" he asked. ""No, Father,"" Sister Angela said, ""It's just a little gas."" A month or two later, the priest noticed that she had gained yet more weight. ""Gaining some weight, are we Sister Angela?"" asked the priest. ""No, Father, just a little gas,"" she again replied. A couple of months later, the priest noticed Sister Angela pushing a bab…