Im in the same boat too guys!!!
Started riding trials back in '98 (!!) when i was 15, im now 23 and hadnt ridden for nearly 5 years!
Anyways, got the pallets out one day when i was bored and had a muck about and found i could still do the moves and i enjoyed myself!! Ive now got right back into my riding and am awaiting a new frame with goodies to arrive asap!!!
Get out and ride and enjoy the fresh air, safe in the knowledge that even a small up onto a wall is more than 99% of the general public could manage!!