Bending birch

Hi, I have a young polarbear(white) Birch,about 8ft,but last year when it got all its leaves it bent right over and,as I had a nearby fence handy,stabalised it at about 6ft up,stopping it from touching the ground with all its leaves on. Mid winter,I unleashed it from the fence and now it is still bending low. Do you think through the spring it will come up to its natural postion and face the sky,as it gets leaves again? or will it touch the ground again? Must I support it again this year?put a splint on