Cooking regularly can improve your mood, confidence and diet.
Regularly cook your own food, or food for others. There are many resources online for recipes and cooking tips. For example, allrecipes have over 40,000 recipes on site.
Between 10 and 60 minutes.
At least 4 times a week.
Burns are not uncommon while cooking, and in rare cases fires can start.
Cooking classes or community kitchens are a great way to socialize and meet new people. Otherwise, just inviting a couple of friends over for an ambitious kitchen project should improve your mood even more.