First of all you have to find out who singed for your Mother to have legal guardianship and if in fact it was a legal transaction. This legal guardianship may not be legal at all. Then there is the question of what your visitation rights are as it stands. Ultimately unless you have done something drasticaly wrong your parental rights can never be taken away. You can go to court and have the visitation rights modified to fit your need, anything reasonable will not be denied. Also legal guardianships do expire you might want to find out when it does and make your move then!