Sabrina & Sirius.
Fuck no. You have the power and means to help someone in need. Obviously, you should help them. That's ten times as true when it's someone you care for. What you're doing is smart, and brave, and selfless. Anyone else who tells you differently is ranking their own fear and anxiety about losing you over what's good and right.
Alright, I definitely need to meet the guy with the metal arm.
I've got my orders to introduce myself to Roman and try and make friends with him, so I'll be doing that tomorrow. Remus — Moony — suggested it. He seems to think I won't make a hash of it. Seems unlikely to me — I and other volatile people don't tend to mix well — but Remus is who does my "sensible" thinking for me, so I'm giving it a shot.
Remus has just gone and told me I wouldn't be me if I went and thought about what I did instead of just doing it, so I wouldn't take too much from it that I'm calling you reasonable.