Smile and sleep is my cure! :)
1. Use of AKAL. Use intellect, thinking, ability to take factor to consideration, weigh different option, and etc.
2. Isthisyarah. Seek some counsel and advice. Do musyawarah.
3. Istikharah. When you lean to some direction, and need confidence to finalize the decision. Do the istikharah for the strength.