Hi there
Great looking gear
. Dont worry you'll be able to play as long as you like, in future. Your hands just have to get used to the feel and the stress (actually there should be no stress !!!
) i'm posting a link to a video of correctleft hand positions. (though i've done before on the forum)
http://freeguitarvideos.com/Beginner/Beg_01.html
Hope it helped.
Rock-on !!!