ねぇ頼むから信じてくれよ。

indicates emphasis, agreement, request for confirmation, etc.; is it so; hey; come on; listen; not

to request; to beg; to ask; to call; to order; to reserve; to entrust to; to rely on

from (e.g. time, place, numerical quantity); since; from (originator); by; because; since; out of (constituent, part); through (e.g. window, vestibule); after; since

to believe; to believe in; to place trust in; to confide in; to have faith in

indicates certainty, emphasis, contempt, request, etc.; used when calling out to someone; used to catch one's breath or get someone's attention; yo!