Choose your answer from: (1). Something like, " he always has my back and calls me " is the ideal way to figure out if his true feelings for you are tangible and not just emotional. Do you two always have the conversation every day? If so, it's a good sign he's serious about you. (2). If you see him mentioning one thing each day, this may be a sign of pain, fear, or sadness. If he's taken care of a woman he's comfortable with or fallen in love with, then it may be an indication that he's serious about you. (3). He will tend to reference you and the relationship often and will make plans with you in mind. Notice especially how often he does this when you are not a part of the conversation, such as when he is on the phone with his friends. (4). He will also be telling you a lot about his relationship, and may use it as a way to demonstrate to you how important the relationship is to him. When a man says " we " often, he means he wants to connect with you.Choose from options above and answer: What most naturally follows?

How to know if your boyfriend is serious about you 
Notice how often he says " we. 
" pay attention to how often you hear him say " we " in reference to the two of you. A man who is serious about his partner will think of himself as being a part of a couple.
Answer:
(3).