Only Yes is Yes, it is an application that will try to help you and avoid legal and public health problems.
Before you have a relation with someone, and more if you just met her, you should previously express the terms of that relation. This tool allows you to agree with the other person the details and obtain a relation contract to use it and store it as you want in a couple of minutes.
In a very short time and in a very simple way, you will have a contract filled in pdf format.
In addition, as a differentiating point, the management of the smart contract or "SmartContract" with the Ethereum BlockChain in the corresponding Ropsten network can be activated in test mode. It goes without saying that with the activation of BlockChain we have guaranteed the traceability and veracity of the information stored there.