I think 'feel a girl' might mean 'feel like a girl'. The motherly advice seems right to me as 'you're only 19, you don't need a boyfriend' seems to be telling the girl that because she's so young she doesn't need to cling to this boy.
I think 'feel a girl' might mean 'feel like a girl'. The motherly advice seems right to me as 'you're only 19, you don't need a boyfriend' seems to be telling the girl that because she's so young she doesn't need to cling to this boy.