6 ms·
If I'm smoking, 7 hours. If I'm not smoking, 5 hours. If I'm not smoking and exercising, 6 hours. If I'm not smoking and exercising strenuously, 7 hours.
by chriswitts 14y ago
If I'm smoking, 7 hours.
If I'm not smoking, 5 hours.
If I'm not smoking and exercising, 6 hours.
If I'm not smoking and exercising strenuously, 7 hours.