I don't make phone calls on the toilet but I browse my phone when I'm on the toilet, just the modern day equivalent of reading the newspaper or a magazine while you're on the pot.
Don't understand why people are saying 'it takes less than a minute' or whatever to go the bathroom, I'm usually in there for like 3-5 minutes usually and that's enough time to read through a short article or whatever.
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"For God so loved the world that he gave his only Son, so that everyone who believes in him may not perish but may have eternal life." - John 3:16 (NRSVUE)
Remember that it is never too late to accept God's love into your heart and to believe the truth that Jesus Christ died for your sins, was buried, and rose from the dead after three days. Christ's sacrifice was unconditional and it is never too late to invite Him into your heart as your personal Savior!