This sounds like a pretty difficult situation. I'm not sure that I can tell you what is or isn't ok - it's really between you and your friend. Noone should try to force you to stop SI when you're not ready, but everyone has their boundaries - I mean like if a friend asks you not to SI in front of her, then that's a reasonable request, while insisting that you must not SI again ever is not reasonable cos that's your decision.
Hmmm not sure I'm making sense.... I sort of mean that SI is your choice, but how far involved your friends are willing to be is their choice. I'm not saying that my views on this are the only "right" ones either, just that it's what seems reasonable to me.
Personally, I generally feel very uncomfortable about the idea of someone knowing that I am SIing and I wouldn't do it in front of anyone, or tell them what I was about to do. But I have some friends who are strong enough and supportive enough that I can tell them that I am wanting to SI, so that they can try to help me not to. But not all friends are able to handle that.
It's difficult. Probably talking it over with your friend is the best thing.
And I'm sorry you are going through such a horrible time with your Dad too.
Take care
Love Laura
