Business calendar The After Hours Network Meeting: Loren Steffy, Texas Monthly columnist and author of "Drowning in Oil" and "The Man Who Thought Like a Ship." Services Cooperative Association: What is your trade secret? Young professionals meeting and happy hour. 5 p.m., Little J's Bar, 4218 Washington. Meeting host: Real estate professionals age 39 and under are welcome. Houston Association for Marriage and Family Therapy: Lunch and networking noon-1 p.m., presentation 1-4 p.m., Interface-Samaritan Counseling Center, 4803 San Felipe. Human trafficking, featuring discussion, case studies and case consultation. Gulf Coast Woodturners Association: