function addPersonMethods(ob)
{

  var guy =
  {
    name: ob.name,
    age: ob.age
    greet: function(greetingString)
      {
        console.log(greetingString + this.name)
      }

    compareAge: function(anotherPersonObject)
      {
      if (this.age < anotherPersonObject.age)
        {
           console.log("My name is " +ob.name + " and I'm older than " + anotherPersonObject.name)
        }

      else if (this.age > anotherPersonObject)
        {
           console.log("My name is " +this.name + " and I'm younger than " + anotherPersonObject.name)

        }

      else
          {
             console.log("My name is " +this.name + " and I'm equally young as " + anotherPersonObject.name)
          }
        }

    namesake: function(anotherPersonObject)
      {
      if (this.name==anotherPersonObject.name)
        {
          console.log("We have the same name, " + anotherPersonObject.name + " and " + this.name)
        }
      }


    }
  }

    return guy