<human>: Can you summarize the given text in a few sentences?

Let's call my best friend Susan. We've been best friends since 2012. As the title shows, I used to have a crush on Susan, started in May 2015 and stopped in September 2015. We are still best friends.

Susan got a boyfriend (18/19 M, let's call him Steve) in August 2015. I knew that they were going out before I was over her. Susan does also know I'm over her. And we both confirmed that we don't like each other romantically.

Recently me and Susan have gone to different unis (same country), and are a few hours apart and so can only talk over text or calling. However Steve has been telling her to stop talking to me because he's had bad experiences of a girlfriend cheating on him with a best friend in the past. She is my go to person, and vice versa, so it's not easy on both of us.

Obviously Susan has told Steve that I used to like her, so he thinks that I still do. Susan has had fights with steve over her not being allowed to talk to me or her other guy friends (all non romantic).

Proof that steve uses that shows I still like Susan is that I reply to messages too quickly. I normally reply 10-15 mins after its sent. Sometimes it's straight away but that's very rare.

I would normally call Steve and talk to him about this to clarify the situation, but since Susan isn't allowed to talk to me I'm not meant to know. Steve and I have no mutual friends who can talk sense into Steve.

From the little that I've talked to Steve, he seemed like a nice guy who I wouldn't mind as a close friend if we met under different circumstances, so I don't wanna piss him off.

What can I do to sort out this mess and keep both my friendship with Susan, and her relationship with Steve intact?
<bot>: my best friend (19F) who I **used** to crush on is not allowed to talk to me (18M) by her new boyfriend. How do I sort this out?