We've been going out for nearly 6 months now, and last night we went ice skating with friends and it was great we had loads of fun and she was close with me hugging kissing a bit and just having fun out, I even let her have some time with her friends so its not like I'm hogging her. Anyway I message her saying did you have fun :) and she replies saying she's sorry and needs some space to think and she still loves me, along with this she changed our relationship status to in a complicated relationship with me. Im kind of freaking out in my head because I'm letting her have her needed space and not going to push it but not sure what's going to happen? :( Also I found out while she was talking with her friend she said she needs to think because she doesn't want to hurt me and doesn't want to do anything she will regret. Please help what do you think is going on and what should I do?

I would give her some space and revisit the topic in a few days. Let her know that you're giving her space and you'd like to talk to her in 3 days to see where each of you stands.

I think you shuld respect her thought, and give her more space.
If she really likes you, after a well think, she will come back naturally.
If she decide leave you, you should accept this truth.
Because love needs mutual willing.
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Give her what she asks for and then ask her what the heck is she talking about.

Hope for the best, prepare for the worst.