I have to go now.
Maybe I`ll come on now.
If you don`t see me on from now until the next 20-30 minutes then it`s because :
1) I didn`t turned my ds on, had to learn for school or
2) I tried to get on but the error codes won`t let me to go on or
3) I have your wrong fc or
4) I went on and was waiting in the wi-fi room, but didn`t saw you.