Guys, do you actually fib/lie to your girlfriends sometimes?

I have spent a few hours with old classmates a few days ago, most of them were guys. They said that sometimes they really dont tell the truth, especially when they feel like the question is threatening. They stood by the importance of honesty, although they felt like lies sometimes are needed to keep the peace when their partners are not the most calm type of girls. Some examples below.

One lied about the exact price of a car part because his girlfriend doesn't like to spend her money so he should not spend his either. Another lied about the exact place he met his (also guy) friend (he said they met a block away when they met at the friend's house), because the girlfriend used to make a fuss about "not being tired to go to your friends's house but too tired to go for a walk". I remember another saying that one time he said something that his girl found offensive, but that was not his intention, so he denied his own words because the girl would not have believed that he in fact didn't want to make it sound offensive.

So do guys actually lie sometimes so they avoid arguements or do I have all the guys in my circle that do it? I have to mention that these guys been living with their girls for years, they are supportive men, talking about their loves like they actually cherish them. One of them even worked over hours so he can pay for his girl's medical bills. So Im defo not saying they are bad people for that, Im just curious. (I also have a man who used to do this).

Guys, do you actually fib/lie to your girlfriends sometimes?
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