Some other signs are these

• Your Boyfriend Suddenly Starts Demanding Space in the Relationship
• He Starts Comparing You to Other Girls
• He Stops Replying to Your Texts or Takes a Long Time to Reply
• Your Boyfriend Starts Spending Most of His Time with His Friends
• He Starts Becoming Extremely Selfish in the Relationship
• He Gets Irritated When You Start a Mushy Conversation
• Your Boyfriend Has Stopped Saying "I Love You"
• He Doesn't Bother to Comfort You, Even When You Are Sad
• Your Boyfriend Digs up Regrettable Incidents from Your Past
• He Doesn't Flirt with You Any More
• The Spark of Physical Intimacy Fizzles Out in Your Relationship
• He Gets Angry and Loses His Cool without Any Reason
• Your Boyfriend Suddenly Starts Getting Annoyed by Some of Your Habits