Read the following context and choose the best option to answer the question.
Context: Sure , there were times when he was alone in a dark place and he would get a bit fearful himself , but he concluded it to be irrational fear . But this , this was different . This feeling he could n't shake off and every little noise caused him to look into it more then he should . He felt a weight in his heart and he did n't know what to make of it .
Question: What may be the reason for feeling a weight in his heart ?
Options: 
- He is having heart problems .
 - There 's a visitor from another dimension .
 - There 's an intruder in the house .
 - Someone he loves is in trouble .


There 's an intruder in the house .