Imagine: Cas is in love with you but he doesn't know the words to say it so he asked Dean and Sam for help.
You and Castiel have been dating for over a year now. You never heard the words 'I love you' from him. That didn't bother you at all. Considering His an angel. One day, you had to do some shopping for the guys. "Dean! Sam! I'm going to the store," you yelled. "Ok! Bring back some pie," Dean yelled back. You shacked your head. You left and went to the store.
*deans pov*
I was going down the stairs of bunker, when I heard the flap of wings. I turned to see Castiel. "Y/N isn't here,Castiel. She went to the store," I told him. "Good. I need to speak with you and Sam," Cas said. I looked at him for a bit and yelled for Sam to get his ass down into the kitchen. "What the heck do you want,Dean," Sam asked. "Cas said he needed to talk to the both of us," I said. "Ok. What is it Cas," Sam asked Castiel. "I know me and y/n have been dating for awhile,but I haven't told how I feel," he explained. "I don't like her. I think I like like her. I don't know the words to say though," he finished then sighed. "Cas, you love y/n. That's final. You need to say 'I love you' to y/n," me and Sam said. "I don't know how she'll react to that Sam and Dean," Cas said. "Trust me Castiel, y/n feels the same," Sam said. Right then, y/n walked in with bags. "Hello boys. Hey Cas," she said excitedly. Y/n ran up and hugged Castiel so tight I think he turned blue almost. "Um...y/n, there's something I need to tell you," Cas started off. "I love you,y/n," he said. Me and Sam looked at one another and smiled. Y/N was smiling ear to ear. Right then, y/n kissed Castiel and pulled away. "I love you too,Castiel," y/n said. Me and Sam high five each other and walked away so they could be in private.
