Obviously they don't want you to have too much information so you can't look them up and find out their marital status.
Most married men have a certain pattern they follow and if you watch closely enough you will notice that they are always online only at certain times or if they call you, they will only do so at certain times.
For example, he may refuse to divulge his last name and for many people this is often a dead giveaway that the guy is married.
While it is normal for people to hold back initially, if the guy has something to hide, he will usually not reveal details about where he lives, what he does for a living, his family, his upbringing etc.
Every suitor is a potential husband, and every woman is a possible wife — not to mention father or mother of your future children. It's no exaggeration to say that outside of following Christ, who you choose to marry is the of your life.
More than anything else, it will dictate your future happiness and success.
In fact, as a general rule, it is best to be suspicious of profiles without photos.
If you start interacting with someone who doesn't have a photo online, request them to add a photo and let them know you prefer not to communicate with them unless they put up a photo.
A married man is usually very cagey and does not like to reveal too many details about himself online.However, there are some signs that might help you spot a married man online. A married man will not put up his photo online obviously because he does not want to be recognized.Of course they can always put up fake photos but they usually do not have a photo at all.He is probably juggling a family life, work and other personal commitments along with his online life and has to schedule chatting with you based on the other not-so-secret parts of his life.His responses may be erratic because he tries to fit in a quick email amidst the other busy aspects of his day or as mentioned above, he might be very regular and follow a strict pattern so keep an eye out.