When Mercury is in Pisces the person is often seen in a great spirit. The native will mostly generous and prudent to companions and ready to support them. He/she is very lively, tame and often exhibit a high level of feeling towards the family and others. But he/she is not very practical. The native is often very careless, make problems for himself/herself. At time, the person may try and conceal this habit. The native may also be interested in the occult. When Mercury transits the twelfth house in a native’s chart, it can induce to battle between logic, knowledge as well as the emotions of the person. The native may tend to waste time in talking a lot on phones and to companions from whom he/she may not profit. So the native is advised to rationalize emotions and use knowledge with caution. Such natives may have fondness for literature, chiefly poetry. They can do well with media or communications related to technology or engineering.