SNK Eren and Mikasa

Alright, here's my question =
Mikasa is obviously in love with Eren but do you think Eren was in love with Mikasa? Some people say that her feelings were mutual and I mean, of course he loves her but to me, it felt more like a platonic kind of love, like brother and sister, like family. He cared about her but do you think he was in love??? And if yes, what make you believe that ?
Don't worry about spoiling me, I have read the scans and I'm currently waiting for chapter 139 sooooo...