I thinku are suffering from low self esteem and low self confidence.Due to worry about the future career and loss of ur friends, creats a vaccum in ur mind.U cant share ur thoughts with any one,ur friends are also not in ur contact -all this factors are responsible for ur current situation.
Evaluate ur self,try to find some job oriented course or online job oriented or career oriented sites .
Share ur thoughts with parents.If u have any hobby like writing, painting, acting, singing etc then encourage that.
Next Steps
if u need external help then Consult psychologist online or offline.