TWD S4 - Siblings or dating?????

Started S5 yesterday, but I'm so curious on what ur takes were on Beth & Daryl... Kinda came out of nowhere and made me lwk uncomfy D: IDK if im just reading too deep into it cause i read sm thread on reddit (ikik) nd most people seemed to think it was a brother sister relationship, but the tension in the scenes were sooo. uegh. ESP considering the age difference idk idk, am i reading too deep into it orrr????? I wld love to know ur perspective. :3