Why does my stomach always ache after i eat? i'm a pretty picky eater, i avoid garlic, onion, tomatoes, and such. i have to lie still afterwards?

Get checked: If you get abdominal pain every you eat, you need to get checked by your doctor.

Stomach ache: Your stomach might ache because of any number of factors -- trying to find out 'which' factor may help. I suggest a 'food diary' where you track type of food, portion, etc. Then maybe you can help identify what foods are causing the trouble. I often find some ginger tea or that candied ginger helps with this kind of problem. If you're overweight, you may need your gallbladder checked -see an MD