Do you assume a guy's act of kindness is because he's attracted to you?

Someome else asked this question about acts of kindness. I've never had any major acts detailed like his, but it got me wondering what I consider an act of kindness. Last week I talked to a cashier about a fragrance she wanted to get, but she couldn't find, when I went to the store, I found it, bought it, and gave it to her. I also had free reward points that I could have kept, but instead, I asked the next person if he wanted my reward instead. It took time for him to pick it out and he asked questions about what he could have, but it made me happy because he was not expecting this and he was actually looking for a present for his mom. In my case, I assume women show kindness to me, but men don't. A lot of times, within the act, they call me baby girl , sweetie, or say that I'm a good girl. It throws everything off because that's how they see me, and that's why they helped. Moreover, after they help me, they start asking questions about my hobbies or a man being in my life. For waiters, I assume the free entree or dessert was because they're in a good mood.
I've had guys carry laundry for me, cases of water down the street at 8pm, drive me to a 24 hour store to get supplies, pay for my stuff, give me free stuff without asking, wait for me when they could of left, made sure I was comfortable, fix things for me, and take over my job so I can have rest. But I don't know if it's really out of kindness or whether they're just trying to get on my good side, see me as the weaker gender or if this is pretty privilege.
Do you assume a guy's act of kindness is because he's attracted to you?
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