Hey, I must say that I commend you on your decision
to forgive loans given to friends. I wish that I had the
cajones to ask for loans back. I do try for a while but its
difficult to listen to the endless excuses.
If I consider the person a friend then I will eventually 
forgive the loan as a convenience to myself.
On the issue of taking a friend to court, unless it is an
extreme situation - say over  $1000 - I would consider
even thinking about it as wrong-headed. Thats just me.
As for myself, I intend to pay all outstanding debts owed
to friends. I bet "pay interest on loans to friends" would be
a good guideline.
How about that blue man group, eh?