I loose my weight day by day and feeling tired.

It's safe, considering you both are disease-free. Also, you'd probably want to consider your birth control status. If you're using condoms, the penis can shrink and the condom can slip off, exposing you both to disease and you to becoming pregnant if his semen seeps into your vagina. Me and my ma....

Don't skip meal in fact take small and frequent meals at regular intervals to lose fast. 

I guess you are referring to the brain stimulation rather than activity. If you actually think that it decreases the brain activity than you are unaware of the fact that watching porn helps many in increasing the brain activity and repairing sex life in many cases as well. When you do an actual p....