I have a problem std?

i no i no i should get tested for std's but every one tells me they shove a thing up the pee slit in my.... and well i dont want that... many people say it dont hurt.. some say it does... but i just dont want to. i feel very uncomfortable with just the thought. i cant do it. i dont no what to do ='{ i no people say be a man and get it done but whatever a man dont push things up hisl...... we push ours in holes!! it aint ment to work like that and i wont do it. i refuse to. but i want tested... i hear they can do blood tests and of course ill let them swab any were but in there.... and maybe pee tests.. would that be enough to get tested for any stds? i cant do the other one.. i even offered to break up with my gf if she want to but she said she wont leave me over that.... but right now she has a bacterial desease so i need checked for stuff and both treated... any advice or tell me other options?