I need a helpful advice

I'm naturally skinny, 18 years old 163 cm (yes short) and 49 kg.. Which is very bad i know.. I'm skinny yet i'm a bit curvy, or thats whAt ppl tell me and ive been like this forever but i SERIOUSLY want to gain weight, don't tell me start eating and thats it cause basically i don't have an apetite , i don't get excited for food at all -.- is there any way to actually gain weight or gain love for food?