"Someone we can trust?" Evie asked, tilting her head to one side in curiosity. With all this information being dumped on her, it was natural for her to question everyone's alignment. Cas she at least knew she could trust. "Yeah, you can trust Bobby. He's been there for us since we were kids." Sam replied. 

Always there whenever their father left for a hunt, leaving them alone for days on end. Patching them up from a hunt or exploring the area around his house. More of a father figure than John had been.