Someone asked me, "Which kind of feeling you need to have when you attending a friend who was very very close to you before?"
I answered, "Of course you need to attend with blessing and wishing heart. No matter what happened before, each of you taught each other, at least one, a very good lesson on how to continue on our journey of life. Without each other, you might still stepping on the same piece of stone."
Developing ourself is not only by just reading books. Especially judgement made on human being. That is why we need companion, friends, elderly, or whoever that we met in fate.
Me and you meeting each other is truly fate brought to us. Me and you leaving each other is also fate.
Back to the question, it could be very hard to do it as how we say it. The biggest influencer will be depending on current situation of you, yourself.
Last but not least, share with you a quote:
"Be Grateful to those who have made you Firm and Resolute."
