How likely is it that he feels the same way?

We are both grown ups, late 20s. We have known each other for about a year and a half and our relationship has always been platonic. He always talks to me about the women he is talking to – usually nothing serious. We’re pretty open with our friendship, and would ask me what I actually think of so and so and so far our friendship has been great. However, something happened two nights ago that has me thinking of him differently and I am worried to be too direct in case it makes things awkward because what we have is great.

We travelled with another friend to the country side and around midnight I had a panic attack (I have really bad ones often), and I called him to come to my room because I was bordering on hysterical. When he came, he soothed, got me to lie down in bed and covered me and he sat on the floor. He held my hand and caressed it until I fell asleep. When I woke up in the morning, I found him asleep on the floor. The next night, he came to my room and asked how I was feeling and I was fine. He sat next to me on the bed and we started having a chat and he opened up about his parents, things I didn’t know prior. At some point he held my hand for a bit. I must have slept because I woke up in the morning and he must have returned to his room because he was gone.

Problem is I think I am beginning to see him as more than a friend and I am unsure how to approach the situation because I have never been in this sort of situation with a friend from the opposite sex. Is there a chance he may feel the same way, enough for me to risk asking directly?
How likely is it that he feels the same way?
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