Heavenly Father, when my sister/brother feels weak, help her/him to remember that You are strong. Help her/him to rely on Your strength and not doubt it, no matter what is happening. She/he waits on Your strength to renew her/him so she/he can rise up above the things that threaten to overpower her/his life. The challenges she/he face are to much for her/him, and she/he would be weak just thinking of them if it weren't for her/his faith in You and Your promises to him/her.
He gives power to the weak, and to those who have no might He increases strength. Even the youths shall faint and be weary, and the young men shall utterly fall, but those who wait on the Lord shall renew their strength; they shall mount up with wings like eagles, they shall run and not be weary, they shall walk and not faint.