Hi rok. You have been tormenting your self by not selling in January. You cannot think like that as you had and now you have but not as much. You have seen wealth and let it go. This is something you have learnt and loads of other people as well. The markets are cruel with highs and lows coming so close to each other.
I have always said I would rather not have than to have had and lost. I know how hard it is to get there and will not be greedy and risk everything. The ones that have had opportunities and haven't had to work very hard for their wealth won't know how to get it back. You are different as you know and have tasted it and know what to do in the future. It was a lesson well learnt as it has made you look at your self and ask the questions that matter. The market will come back and so will your wealth.