diff --git a/.gitignore b/.gitignore
index c4580b1..d33afcc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .DS_Store
-
-__pycache__
-./docs/_build/**
\ No newline at end of file
+/pyCatSim/__pycache__
+/pyCatSim/api/__pycache__
+**/__pycache__
+./docs/_build/**
diff --git a/pyCatSim/api/human.py b/pyCatSim/api/human.py
index 568e790..6d92ad5 100644
--- a/pyCatSim/api/human.py
+++ b/pyCatSim/api/human.py
@@ -60,3 +60,35 @@ def __init__(self, name, cats_owned):
 
         self.name = name
         self.cats_owned = cats_owned
+        
+    def groom(self,Cat):
+        """
+        Simulates an owner grooming one cat, increasing its mood by one
+
+        Parameters
+        ----------
+        Cat : pyCatSim.Cat
+            a pyCatSim.Cat object that you would like to groom.
+
+        Returns
+        -------
+        None.
+
+        
+        Examples
+        --------
+        .. jupyter-execute::
+        
+            from pyCatSim import Cat, Owner
+
+            cat1 = Cat(name="Whiskers")
+
+            Deborah = Owner(name="Deborah", cats_owned=cat1)
+
+            Deborah.groom(cat1)
+
+        """
+        
+        Cat.mood += 1
+        
+        
diff --git a/pyCatSim/tests/test_api_Owner.py b/pyCatSim/tests/test_api_Owner.py
index a128747..c755f32 100644
--- a/pyCatSim/tests/test_api_Owner.py
+++ b/pyCatSim/tests/test_api_Owner.py
@@ -40,4 +40,22 @@ def test_init_t1(self):
 
         assert owner1.name == 'Liam'
         assert type(owner1.cats_owned) is list
-        assert len(owner1.cats_owned) == 2
\ No newline at end of file
+        assert len(owner1.cats_owned) == 2
+        
+class TesthumanActions:
+    ''' Test for Owner action success '''
+     
+    def test_groom_t0(self):
+         cat1 = Cat(name="Whiskers",mood=7)
+         owner1 = Owner(name="Sasha", cats_owned=cat1)
+         
+         owner1.groom(cat1)
+
+         assert cat1.mood == 8
+   
+        
+        
+        
+        
+        
+        
\ No newline at end of file