I have trouble getting work and got interview .my mom thinks i should not go though?

hello.i receive income from government for having learning disabilities and its hard for me find a pt or full time job.most jobs let go of me.tim hortons was my longest job.i applied for a job but then changed my mind kinda.the job is working in one of those food trailers that sells donairs,pitas,schwarmas,etc.its a full time job now and theres no work in jan feb he said and i will work side a long this guy.he wanted to hire only a female not sure why .but anyways i dont know if i should go or not .thanks.a job is a job i know .in the winter he parks the trailer by a bar and its quite busy he said.right now he parks it downtown in my city and a lot tourists people go by there.