HELP White stuff when fingering

here is the deal. sometimes when i finger myself the vaginal lub or whatever you call it is white. like semen you see in movies. im a virgin. its not always sometimes is just like water. this started happening when i was 19 and has been happening for aroud 2 years. also my smell is different. i used to smell more bitter? now i dont like this smell. its not bad. it just that i liked better the smell before. it just changed smell. so i dont know what to do. or what it is . can anyone help me? please dont be rude. i have noone to ask this things to :(