I am actually scared of what will happen if it does work out. I feel I lack relationship skills and I'm not sure of how to create a fulfilling relationship on the long term
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Next departure? Destination? >>>>> Relationships
If you are afraid you'll make mistakes, try learning from others. Again: Skills! we aren't at the end of our learning curve here. Good to have humility and realize: we don't know it all. That's it!
Learning relationships skills? same plan as dating. Again, our instincts do it all... Almost! These 10% remaining will come from understanding, introspection, the net, friends, a manual, some advice or a few "couple coaching" sessions.
Take the step!