Do you say “I love you” to your partner even when you’re angry?

Need to know what you think? I feel bad about something. My boyfriend and i rarely fight because we get along really well and when something bothers either of us we talk it out just fine. Somehow that didn't happen last night and we had an argument. I was upset and my boyfriend knew that. I told him i needed some time to cool down (we were talking on the phone), and he respected that and told me good night and that he loved me. I didn't say i love him back but only because i just couldnt say it. When im upset i just get eaten up with negative thoughts and energy (ik it sounds ugly). So when i didn't say it back he got kinda upset and asked me if i was trying to hurt him because he said that hurt him a lot. Said that even if he were furious with me he wouldn't do what i did and he would still tell me he loves me back. I could see that it hurt him and he said it made him wanna cry and it made him feel shitty. I was feeling so guilty and mad at myself. I just couldnt bring myself to say it at that time.

Ps, we’re okay now and he apologized and said he realized he shouldn't have pressured me because he knows i shut down even more when people do it to me. I still feel bad. I wanna know if other people can relate or not? Do you still say it back even when you’re feeling anger?
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I know i was wrong, but it hurt me a lot when he said he had to draw the line somewhere, that even though he loves me a lot, he would just break up with me if i couldnt even say i loved him back. We did almost break up since the fight got worse but he said right after saying that, he realized how dumb it was and he said it was a mistake to say it, so i let that go.
Do you say “I love you” to your partner even when you’re angry?
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