"Drinking Problem" lol

I'm so pissed at myself. Last night I was angry and upset about something which I don't want to talk about. And I only had two Mikes lemonade flavored & I threw up not even 10 min after. I can't hang at all. My husband says maybe because I was really upset my stomach felt upset as well. When I'm really sad or depressed I usually throw up. Is this a disorder? 
And even If I want to have a good time with my friends I can't, because I can't hang. I guess I'm not a "drinker". I feel like a whimp lol. I'm 24 before anyone jumps on my throat. I just want to have fun which I hardly do because I'm a mother and a wife. I love my little family but sometimes I just need a break even it's for an hour.  Can anyone help me how to drink? And what drinks do you like? Any suggestions....